Displaying publications 1 - 20 of 81 in total

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  1. How Many Doctors Do We Need in the Public Sector?: A Guide to Human Resource Planning and Specialist Training
    Ismail H
    Malays J Med Sci, 2023 Apr;30(2):1-7.
    PMID: 37102057 DOI: 10.21315/mjms2023.30.2.1
    Estimating number of doctors including medical specialists needed in the public sector is fundamental to guide human resource planning and implementation of specialist training in Malaysia. Crude population-based and individual basic specialities population-based ratios were used to estimate number of doctors including specialists needed in the public sector by 2025 and 2030. These estimates were then compared with existing number of specialists, current production rates and other parameters to determine level of deficit of the various medical specialities in the future. Medical specialist production versus deficit index was introduced as a tool to present the expected outcome of the existing specialist training. The index can be used as a guide to strategise policies and implementation plans related to training and human resource.
  2. Fulltext Transobsturator tape (TOT) procedure: the Ipoh experience
    Nusee, Z., Naidu, A., Ranjudham, S.N., Ismail, H.
    JUMMEC, 2011;14(1):10-20.
    MyJurnal
    The use of transobturator tape (TOT) for the treatment of stress urinary incontinence (SUI) has gained popularity since it was introduced in 2001. Only few studies have reported that TOT is superior in safety and efficacy when compared to tension free vaginal tape (TVT). This case-series study was conducted to investigate the safety and efficacy of the TOT procedure in patients at Ipoh Hospital. A cross sectional study on patients who underwent TOT procedures from Jan 2006 to Jun 2008 was conducted. Patients were followed-up 1 month, 3 month, 12 month and annually thereafter. Data were retrieved from patients‟ records based on the standard pre-operative assessment sheet and follow up record. Interviews were then made via telecommunication to assess the patients‟ progression and satisfaction using a validated questionnaire. Fifty-two subjects (n=52) were recruited. The mean age was 54.2 ± 10.6 years with the median follow up time of 19 months. Majority of cases (n=46; 88.5%) had concomitant pelvic organ prolapse (POP), while only 2 (3.8%) had an isolated stress urinary incontinence (SUI). Pre-operatively, only 16 patients (30.8%) were diagnosed with mixed urinary incontinence (MUI) and 24 patients (46.2%) had over active bladder symptoms (OAB) which include increased frequency and urgency. The objective cure rate for SUI was 42 (80.7%), 3 (5.8%) failed while 7 (13.5%) improved. Complications were limited to minor conditions and was only observed in four patients: one case (1.9%) of acute urinary retention, three (5.7%) had prolonged indwelling catheter more than 3 days and one (1.9%) each for mesh erosion, hematoma, urinary tract infection (UTI) and wound infection. Cure rate for MUI, frequency and urgency were 37.4%, 70.8% and 54.2% respectively. De novo urgency was noted in three (n=3: 5.7%) cases while (n=3: 5.7%) required revision of the tape. Forty-nine women (n=49: 94.2%) were satisfied with the procedure. TOT procedures significantly improve OAB symptoms with high patient‟s acceptance rate and no serious operative complication.
  3. Poliomyelitis in Malaysia: two confirmed cases after 6 years without polio
    Ismail HI, Lal M
    Ann Trop Paediatr, 1993;13(4):339-43.
    PMID: 7506880
    Poliomyelitis in Malaysia has not been reported since 1986. We report two cases of poliomyelitis in non-immunized children whose parents, though relatively educated, opted not to vaccinate their children for socio-cultural reasons. This recent trend may interfere with our attempts to eradicate poliomyelitis globally by the year 2000. The clinical features, pathophysiology and differential diagnosis are discussed.
  4. Fulltext Bioactivity and Biocompatibility Properties of Sustainable Wollastonite Bioceramics from Rice Husk Ash/Rice Straw Ash: A Review
    Ismail H, Mohamad H
    Materials (Basel), 2021 Sep 10;14(18).
    PMID: 34576417 DOI: 10.3390/ma14185193
    Recently, there has been an increase in interest in agricultural waste in scientific, technological, environmental, economic, and social contexts. The processing of rice husk ash/rice straw ash into biocompatible products-also known as biomaterials-used in biomedical implants is a technique that can enhance the value of agricultural waste. This method has effectively converted unprocessed agricultural waste into high-value products. Rice husk and straw are considered to be unwanted agricultural waste and are largely discarded because they pollute the environment. Because of the related components present in bone and teeth, this waste can produce wollastonite. Wollastonite is an excellent material for bone healing and implants, as well as tissue regeneration. The use of rice husk ash or rice straw ash in wollastonite production reduces the impact of agricultural waste on pollution and prompts the ensuing conversion of waste into a highly beneficial invention. The use of this agricultural waste in the fabrication of wollastonite using rice husk ash or rice straw ash was investigated in this paper. Wollastonite made from rice husk ash and rice straw ash has a fair chance of lowering the cost of bone and tooth repair and replacement, while having no environmental effects.
  5. Fulltext Performance of organic rankine cycle using biomass as source of fuel
    Ismail, H., Aziz, A. A., Rasih, R. A., Jenal, N., Michael, Z., Azmi Roslan
    Journal of Advanced Research in Applied Sciences and Engineering Technology, 2016;4(1):29-46.
    MyJurnal
    A simulation study has been done on Organic Rankine Cycle (ORC) with nine different
    working fluids in four different types of system configurations. An Organic Rankine Cycle is similar to
    Rankine cycle with the exception of using organic fluids for its working fluids. It is widely claimed to
    be more effective than steam Rankine cycle in low heat grade applications. The objective of the study
    is to study the performance of the system in conjunction with biomass thermal system by selecting the
    best working fluid and system configurations. The simulation is done using MATLAB and REFPROP
    9.0 respectively. The selection of the best configuration is based on the thermal efficiency of the system.
    It is found that toluene is the best option in simple ORC system. In ORC system added with internal
    heat exchanger or recuperator, dodecane and propylcyclohexane are the better option compared to
    other fluids. All the organic fluids show improvements with addition of recuperator. For temperature
    range of 150oC-300oC, it is found that water is not effective compared to organics fluids. Superheating
    process shows a slight improvement in a system with recuperator, but no improvement in simple cycle.
    The highest thermal efficiency is found in Scenario D. The second best is Scenario C, followed by
    Scenario A and the most ineffective is Scenario B. Copyright © 2016 Penerbit Akademia Baru - All
    rights reserved.
  6. A review of sustainable e-waste generation and management: Present and future perspectives
    Ismail H, Hanafiah MM
    J Environ Manage, 2020 Jun 15;264:110495.
    PMID: 32250915 DOI: 10.1016/j.jenvman.2020.110495
    Studies on sustainable management of waste from electrical and electronic equipment (or e-waste) have gained increasing attention from researchers around the world in recent years, with investigations into various aspects of e-waste management were investigated. Studies on e-waste generation by previous papers have been reviewed to provide an overview of the current research progress and recommendations for future research. The relevant existing studies were collected from various databases. Using content analysis, three main aspects of the existing studies were evaluated: the distribution and trends of the publications, the scope and boundaries of the studies, and the current research practices and research applications. Although there was a significant increasing trend of the amount of research on the evaluation of e-waste generation, however, the number of publications based on the countries of origin was still small. Another limitation was found related to the differences in the selection of research subjects and the level of analysis resulted in variations in the scopes and boundaries of the existing studies. Various other research areas were investigated further based on their research findings, but the analysis of various methodological aspects was complicated due to the increasing number of newly developed methodologies and the lack of comprehensive and up-to-date reviews on this research area. Additionally, there was also a need to evaluate emerging and/or older technology, which led electrical appliances to be overlooked. We found that comprehensive and up-to-date reviews of the methodological aspects of e-waste generation are still lacking. Based on the research gaps and limitations discussed, recommendations for future research were made.
  7. Fulltext Bilateral pulmonary aspiration of teeth and the migration of a foreign body from one main bronchus to another
    Mohamad I, Mohamad H, Ismail H
    Med J Malaysia, 2010 Dec;65(4):309-10.
    PMID: 21901953
    Foreign body aspiration in the adult airway is very rare. A neglected foreign body can occur when the patient is mentally challenged or is in an unconscious condition such as following trauma. The diagnosis can be delayed because there is no typical history of choking or breathing difficulty.
  8. Fulltext Effect of plant ontogeny on quantity and chemical constituents of essential oil in sweet basil (Ocimum Basilicum L.) grown in Sudan
    Aburigal, Yasmin A. A., Elmogtaba, Elfadl Y., Sirible, Awatif M., Hamza, Nada B., Hussein, Ismail H., Mirghani, Mohamed E. S.
    Biological and Natural Resources Engineering Journal, 2020;3(2):1-6.
    MyJurnal
    Sweet basil (Ocimum basilicum L.) is a very important food additive as well as for its therapeutic and cosmetic potential. The composition of essential oils in plants is affected by genetics and environmental conditions, which is determined by growth region and harvesting time in terms of ontogenetical variability. This study was carried out to assess the effect of plant ontogeny (pre-flowering, at flowering, fruiting) on essential oil content and chemical constituents for four sweet basil cultivated under irrigation conditions in the experimental farm of the National Oilseed Processing Research Institute (NOPRI), University of Gezira, Sudan. The essential oils were hydro-distilled from the leaves using Clevenger apparatus and the chemical constituents were determined by GC-MS. The results reveal that the essential oil yield content ranged from 0.1% to 0.2% at pre-flowering stage, whereas the oil content obtained at post-flowering stage was 0.1% for the investigated accessions. The highest essential oil content was recorded at flowering stage (0.2-0.5%), where the two Sudanese accessions had the maximum content (0.5%). The major chemical constituents, linalool, citral, methyleugenol, and eucalyptol reported at different developmental stages, punctuated between 5.73% and 32.93% in the four investigated accessions.
  9. Synthesis of linear low-density polyethylene-g-poly (acrylic acid)-co-starch/organo-montmorillonite hydrogel composite as an adsorbent for removal of Pb(ΙΙ) from aqueous solutions
    Irani M, Ismail H, Ahmad Z, Fan M
    J Environ Sci (China), 2015 Jan 1;27:9-20.
    PMID: 25597658 DOI: 10.1016/j.jes.2014.05.049
    The purpose of this work is to remove Pb(II) from the aqueous solution using a type of hydrogel composite. A hydrogel composite consisting of waste linear low density polyethylene, acrylic acid, starch, and organo-montmorillonite was prepared through emulsion polymerization method. Fourier transform infrared spectroscopy (FTIR), Solid carbon nuclear magnetic resonance spectroscopy (CNMR)), silicon(-29) nuclear magnetic resonance spectroscopy (Si NMR)), and X-ray diffraction spectroscope ((XRD) were applied to characterize the hydrogel composite. The hydrogel composite was then employed as an adsorbent for the removal of Pb(II) from the aqueous solution. The Pb(II)-loaded hydrogel composite was characterized using Fourier transform infrared spectroscopy (FTIR)), scanning electron microscopy (SEM)), and X-ray photoelectron spectroscopy ((XPS)). From XPS results, it was found that the carboxyl and hydroxyl groups of the hydrogel composite participated in the removal of Pb(II). Kinetic studies indicated that the adsorption of Pb(II) followed the pseudo-second-order equation. It was also found that the Langmuir model described the adsorption isotherm better than the Freundlich isotherm. The maximum removal capacity of the hydrogel composite for Pb(II) ions was 430mg/g. Thus, the waste linear low-density polyethylene-g-poly (acrylic acid)-co-starch/organo-montmorillonite hydrogel composite could be a promising Pb(II) adsorbent.
  10. Effect of autoclaving and sintering on the formation of β-wollastonite
    Ismail H, Shamsudin R, Abdul Hamid MA
    Mater Sci Eng C Mater Biol Appl, 2016 Jan 1;58:1077-81.
    PMID: 26478406 DOI: 10.1016/j.msec.2015.09.030
    β-wollastonite (β-CaSiO3) was synthesized from rice husk ash and calcium carbonate, and a study of the effects of the autoclaving and sintering steps is presented here. Autoclaving and sintering at 8h and 2h yielded the β-wollastonite phase in full, with improved crystallinity. Nucleation between rice husk ash and calcium oxide occurred around 135 °C, pressure 0.24 MPa, and growth proved to be more crystalline after the ripening period. For shorter processing times, and for both unsintered and unautoclaved samples, cristobalite and unstable tricalcium silicate phases were present. Crystallite size was increased by longer sintering times but reduced by longer autoclaving times. The β-wollastonite obtained had a random branch-like structure. In conclusion, the introduction of the autoclaving step successfully obtained β-wollastonite from a reaction between rice husk ash and calcium oxide.
  11. Fulltext Minimal Invasive Plate Osteosynthesis (MIPO) Technique Using Anterolateral Approach for Treating Closed Proximal Humerus Fracture
    Ismail H, Boedijono D, Hidayat H, Simbardjo D
    Malays Orthop J, 2012 Mar;6(1):18-24.
    PMID: 25279037 DOI: 10.5704/MOJ.1203.008
    ABSTRACT: Proximal humerus fracture is the second most common fracture of the upper extremity and presents several unique problems such as anatomical complexity, high risk of avascular necrosis, minimal bone stock for purchase, significant morbidity, and lack of a universally accepted treatment. Recent treatments for proximal humerus fractures include use of minimally invasive plate osteosynthysis (MIPO). The aim of this cross-sectional study was to evaluate the outcomes of our less invasive technique using a modified anterolateral approach for treatment of proximal humerus fractures. Ten such operative procedures were performed in patients of varying age and with varied mechanism of injury from 2002-2011. All cases were conducted in an acute setting. There were no cases of infection and the functional outcome scores were good. This approach represents an alternative treatment for closed proximal humerus fracture but more extensive studies are needed.

    KEY WORDS: Proximal humerus fracture, MIPO, less invasive,anterolateral approach.

  12. Acute pulmonary thromboembolism in a case of fatal child abuse
    Rahimi R, Zulkifli ZF, Omar E, Ismail H, Md Noor S
    Malays J Pathol, 2017 Apr;39(1):83-87.
    PMID: 28413210 MyJurnal
    Child abuse is a worldwide problem. The four major types of abuse include physical abuse, child neglect, psychological maltreatment and sexual violence. We describe a fatal case of child abuse which presented with numerous old and recent soft tissue injuries all over the body. The injuries on the legs have immobilized the victim for quite some time, giving rise to deep vein thrombosis, leading to death as a result of acute pulmonary thromboembolism. This case demonstrates presence of both elements of abuse and neglect in one victim. As this category of crime involves a helpless child, we would also like to reiterate that the community has an obligation to prevent such tragedies and educating the public to recognize the signs and symptoms of abuse would be of utmost important. Ultimately, the community must also be responsible for reporting such offences and the act of silence is akin to condoning a crime witnessed.
  13. Fulltext Application of Fuzzy Delphi in the Selection of COPD Risk Factors among Steel Industry Workers
    Dapari R, Ismail H, Ismail R, Ismail NH
    Tanaffos, 2017;16(1):46-52.
    PMID: 28638424
    BACKGROUND: The Delphi method has been widely applied in many study areas to systematically gather experts' input on particular topic. Recently, it has become increasingly well known in health related research. This paper applied the Fuzzy Delphi method to enhance the validation of a questionnaire pertaining chronic obstructive pulmonary disease (COPD) risk factors among metal industry workers.

    MATERIALS AND METHODS: A detailed, predefined list of possible risk factors for COPD among metal industry workers was created through a comprehensive and exhaustive review of literature from 1995 to 2015. The COPD questionnaire were distributed among people identified as occupational, environmental, and hygiene experts. Linguistic variable using Likert scale was used by the expert to indicate their expert judgment of each item. Subsequently, the linguistic variable was converted into a triangular fuzzy number. The average score of the fuzzy number will be used to determine whether the item will be removed or retained.

    RESULTS: Ten experts were involved in evaluating 26 items. The experts were in agreement with most of the items, with an average fuzzy number range between 0.429 and 0.800. Two items were removed and three items were added, leaving a total 26 items selected for the COPD risk factors questionnaire. The experts were in disagreement with each other for items F10 and F11 where most of the experts claimed that the question is too subjective and based on self-perception only.

    CONCLUSION: The fuzzy Delphi method enhanced the accuracy of the questionnaire pertaining to COPD risk factors, and decreased the length of the established tools.
  14. Fulltext A highly sensitive and selective thiosemicarbazone chemosensor for detection of Co2+ in aqueous environments using RSM and TD/DFT approaches
    Ismail H, Ahmad MN, Normaya E
    Sci Rep, 2021 10 25;11(1):20963.
    PMID: 34697346 DOI: 10.1038/s41598-021-00264-z
    Chemosensor using organic based compound offering superior alternative method in recognizing metal ion in environmental water. The optimization process strongly affected the performance of the designed sensor. In this study, a highly sensitive and selective colorimetric sensor system utilizing an organic compound, namely thiosemicarbazone-linked acetylpyrazine (TLA), to recognize Co2+ ions in different environmental water samples was successfully developed using the response surface methodology (RSM) approach. The developed model was optimized successfully and had statistically significant independent variables (p 
  15. Fulltext Association between lung function impairment with urinary heavy metals in a community in Klang Valley, Malaysia
    Abdul Haddi AA, Ja'afar MH, Ismail H
    PeerJ, 2022;10:e13845.
    PMID: 35966922 DOI: 10.7717/peerj.13845
    Lung function status can be directly or indirectly affected by exposure to pollutants in the environment. Urinary heavy metals may be an indirect indicator of lung function impairment that leads to various diseases such as chronic obstructive pulmonary disease (COPD). This study aimed to explore the prevalence of lung function impairment as well as its association with urinary heavy metal levels and other influencing factors among the community in Klang Valley, Malaysia. Urinary sampling was done during various community events in the housing areas of Klang Valley between March and October 2019. Only respondents who consented would undergo a lung function test. Urine samples were obtained and sent for Inductively Coupled Plasma Mass Spectrometry (ICP-MS) analysis for heavy metal cadmium (Cd) and lead (Pb) concentration. Of the 200 recruited respondents, 52% were male and their ages ranged from 18 years old to 74 years old with a mean age of 38.4 ± 14.05 years. Urinary samples show high urinary Cd level in 12% of the respondents (n = 24) whereas none recorded a high urinary Pb level. There was a positive correlation between the levels of urinary Cd and urinary Pb (r = 0.303; p = 0.001). Furthermore, a negative correlation was detected between urinary Cd level and forced vital capacity (FVC) (r =  - 0.202, p = 0.004), force expiratory volume at the first second (FEV1) (r =  - 0.225, p = 0.001), and also force expiratory flow between 25-75% of FVC (FEF 25-75%) (r =  - 0.187, p = 0.008). However, urinary Pb did not show any correlation with lung function parameters. Multiple linear regression analysis showed that urinary Cd had a significant negative effect on FVC (p = 0.025) and FEV1 (p = 0.004) based on the predicted value. Additionally, other factors such as education level (p = 0.013) also influenced lung function. However, no interaction was detected between heavy metals or other factors. In short, there was a significant negative linear relationship between urinary Cd and lung function, whereas urinary Pb was not associated with lung function. Beside acting as a biomarker for cadmium exposure level, urinary Cd may also be applied as indirect biomarker for asymptomatic chronic lung function deterioration among the healthy population.
  16. Structural, optimization of and mechanistic insights into a new thiosemicarbazone derivative as a highly sensitive and selective chemosensor for Hg2+ recognition using DFT, COSMO-RS, RSM, and molecular dynamics simulation approaches
    Ismail H, Ahmad MN, Normaya E
    Spectrochim Acta A Mol Biomol Spectrosc, 2024 Jan 05;304:123340.
    PMID: 37716039 DOI: 10.1016/j.saa.2023.123340
    A new thiosemicarbazone derivative, N-(2-hydroxyphenyl)-2-[1-(pyridin-4-yl)ethylidene]hydrazinecarbothioamide (HPEH), has been synthesized, characterized, and further developed as a highly selective and sensitive colorimetric chemosensor for Hg2+ recognition in environmental water samples. Structural conformers of HPEH were successfully identified using a combination of the potential energy surface (PES) and time-dependent density functional theory (TD-DFT) methods. The synthesized HPEH was successfully characterized further and analyzed based on its harmonic vibrational frequencies, NMR spectra, and electronic transitions using the DFT approach. Sigma profiles were generated using the COSMO-RS approach to identify a compatible medium for HPEH to act as a chemosensor. The conditions for the highly sensitive and selective detection of Hg2+ by HPEH were successfully optimized using the statistical response surface methodology approach. The optimum sensing of HPEH occurred in an 8:2 v/v DMSO/pH 7.8 solution at a 20:60 μM HPEH/Hg2+ concentration and after a reaction time of 18 min, with statistically significant independent variables (p 
  17. Fulltext Second-trimester uterine rupture: lessons learnt
    F Abdulwahab D, Ismail H, Nusee Z
    Malays J Med Sci, 2014 Jul;21(4):61-5.
    PMID: 25977625 MyJurnal
    Uterine rupture is a rare life-threatening complication. It mainly occurs in the third trimester of pregnancy and is rarely seen during the first or second trimesters. Our centre experienced three important cases of uterine rupture.
  18. Sexual activity among Malaysian school-going adolescents: what are the risk and protective factors?
    Ahmad N, Awaluddin SM, Ismail H, Samad R, NikAbdRashid N
    Asia Pac J Public Health, 2014 Sep;26(5 Suppl):44S-52S.
    PMID: 25070693 DOI: 10.1177/1010539514544700
    This study aimed to identify risk and protective factors associated with sexual activity among Malaysian adolescents. Data from the World Health Organization Global School-based Student Health Survey 2012 were analyzed. A total of 23 645 students aged 12 to 17 years responded using self-administered validated questionnaire. The overall prevalence of reported ever-had sex was 8.3%. Logistic regression analysis revealed that ever-had sex was positively significantly associated with ever-used drugs (adjusted odds ratio [aOR] = 7.71; 95% confidence interval [CI] = 6.51-9.13), and to a lesser extent, ever-smoked (aOR = 1.83; 95% CI = 1.62-2.07) and ever-consumed alcohol (aOR = 1.33; 95% CI = 1.15-2.53). Protective factors against ever-had sex were having a close friend (aOR = 0.63; 95% CI = 0.50-0.81), parental bonding (aOR = 0.72; 95% CI = 0.65-0.81), supportive peers (aOR = 0.77; 95% CI = 0.69-0.86), and parental connectedness (aOR = 0.88; 95% CI = 0.78-0.99). Although the prevalence of sexual activity among school-going adolescents in Malaysia is relatively low, identifying the risk and protective factors is crucial toward developing an integrated multiple approach to preventing sexual-related problems.
    Study name: Global School-Based Student Health Survey (GSHS)
  19. Fulltext Is portable three-dimensional ultrasound a valid technique for measurement of postpartum urinary bladder volume?
    Nusee Z, Ibrahim N, Rus RM, Ismail H
    Taiwan J Obstet Gynecol, 2014 Mar;53(1):12-6.
    PMID: 24767639 DOI: 10.1016/j.tjog.2013.01.028
    To determine the accuracy of bladder volume (BV) measurement and to identify factors that influenced the ultrasound bladder scanner (UBS) measurement of BV in postpartum women compared with transurethral catheterization.
  20. Remitted male schizophrenia patients with sexual dysfunction
    Kheng Yee O, Muhd Ramli ER, Che Ismail H
    J Sex Med, 2014 Apr;11(4):956-965.
    PMID: 23845160 DOI: 10.1111/jsm.12246
    INTRODUCTION: Despite the high prevalence of sexual dysfunction among male schizophrenia patients, there is still a paucity of research on this area.
    AIMS: The study aims to determine the prevalence of sexual dysfunction and any association between male patients with schizophrenia in remission and the sociodemographic profile, medication, depression, anxiety, psychopathology of illness, body mass index, and waist circumference.
    METHODS: A cross-sectional study with nonprobability sampling method was conducted in a psychiatric outpatient clinic in Taiping Hospital (Perak, Malaysia) over a 7-month period. A total of 111 remitted male schizophrenia patients were recruited. The validated Malay version of the International Index of Erectile Function (Mal-IIEF-15) was administered to the patients and assessed over 4-week duration in the domains of erectile function, orgasmic function, sexual desire, intercourse satisfaction, and overall satisfaction. Logistic regression analysis was employed.
    MAIN OUTCOME MEASURES: Prevalence and associated factors for sexual dysfunction in each domain are the main outcome measures.
    RESULTS: All five domains of sexual functioning in patients showed a high prevalence of dysfunction ranging from 78.4% to 97.1% with orgasmic dysfunction being the least impaired and intercourse satisfaction the worst impaired. Among the domains, only orgasmic dysfunction was significantly associated with race, i.e., Chinese at lower risk for impairment than the Malays (OR = 0.23; 95% CI: 0.07, 0.76; P = 0.018); education, i.e., patients with education higher than primary level were at higher risk for dysfunction (OR = 6.49; 95% CI: 1.32, 32.05; P = 0.022); and Positive and Negative Syndrome Scale (PANSS)-positive subscale, i.e., higher PANSS-positive score was a protective factor for orgasmic dysfunction (OR = 0.54; 95% CI: 0.33, 0.89; P = 0.015).
    CONCLUSIONS: The prevalence of sexual dysfunction was generally high. Malay patients and those with education higher than primary level were at higher risk for orgasmic dysfunction whereas higher PANSS-positive score was protective against the impairment. The high rate of sexual dysfunction in schizophrenia patients warrants a routine inquiry into patients' sexuality and the appropriate problems being addressed.
    Study site: Psychiatric clinic, Hospital Taiping, Perak, Malaysia
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