1.Incidence and associated risk factors of hypertension among apparently healthy adult Filipinos in the LIFECARE Philippine cohort study
Elmer Jasper B. Llanes ; Olivia T. Sison ; Felix Eduardo R. Punzalan ; Jose Eduardo Dl Duya ; Nina T. Castillo-carandang ; Wilbert Allan G. Gumatay ; Paulette D. Nacpil-dominguez ; Paul Ferdinand M. Reganit ; Rody G. Sy
Acta Medica Philippina 2025;59(12):19-27
OBJECTIVE
This study aimed to estimate the incidence of hypertension and determine the risk factors for hypertension among apparently healthy adult Filipinos.
METHODSThis observational prospective community-based study included apparently healthy adult individuals aged 20–50 years from the Life Course Study in Cardiovascular Disease Epidemiology (LIFECARE) Philippine cohort at baseline and followed-up after an average of four years. Sociodemographic data, psychosocial stress, and clinical and metabolic profiles were obtained and analyzed. Multivariable Cox regression analysis was performed to identify factors associated with the development of hypertension.
RESULTSA total of 2,089 non-hypertensive participants were included, with 59% women and average age of 35 years (SD = 8.4). The incidence rate of hypertension was 38.1 per 1,000 person-years. The cumulative incidence of hypertension over a mean follow-up time of four years was 15.4% (95% CI = 13.9–17.0%). The risk of incident hypertension was higher among males (aHR=1.3, 95% CI: 1.0–1.8; p=0.044), ≥40 years old (aHR=3.9, 95% CI: 2.6–5.8; pCONCLUSION
The 4-year incidence rate of hypertension among apparently healthy adult Filipinos is high. Increased age, male sex, family history of hypertension, abdominal obesity, and high normal blood pressure were significantly associated with the development of hypertension.
Human ; Hypertension ; Incidence
2.Postoperative urinary retention following hip or knee arthroplasty under spinal anaesthesia with intrathecal morphine: a retrospective cohort study.
Elad DANA ; Oz BEN-ZUR ; Sara DICHTWALD ; Guy FEIGIN ; Noa BRIN ; Michael MARKUSHEVICH ; Brian FREDMAN ; Yaron Shraga BRIN
Singapore medical journal 2025;66(9):481-485
INTRODUCTION:
Postoperative urinary retention (POUR) frequently complicates the course of patients following hip and knee arthroplasty. Intrathecal morphine (ITM) was identified as a significant risk factor for POUR. The objective of this study was to investigate the incidence and risk factors for POUR in fast-track total joint arthroplasty (TJA) under spinal anaesthesia (SA) with ITM.
METHODS:
We conducted a retrospective study of our institutional joint registry of patients who underwent primary TJA under SA with ITM between October 2017 and May 2021. Preoperative (baseline demographics) and perioperative data were collected. The primary outcome was the incidence of POUR after 8 h or earlier, either due to lack of voiding or according to patient's complaints of bladder distension. Univariate and adjusted analyses were performed to identify predictors of POUR.
RESULTS:
Sixty-nine patients who underwent total knee arthroplasty (TKA) and 36 patients who underwent total hip arthroplasty (THA) under SA with ITM were included in the study. POUR requiring bladder catheterisation was diagnosed in 21% of patients. Independent predictors of POUR were age over 65 years and male gender.
CONCLUSIONS
SA with ITM for TJA is associated with high rates of POUR in males older than 65 years of age. Other previously identified risk factors such as intraoperative fluid administration or comorbidities may not be as influential.
Humans
;
Retrospective Studies
;
Male
;
Urinary Retention/epidemiology*
;
Arthroplasty, Replacement, Knee/adverse effects*
;
Anesthesia, Spinal/adverse effects*
;
Female
;
Arthroplasty, Replacement, Hip/adverse effects*
;
Morphine/adverse effects*
;
Aged
;
Middle Aged
;
Risk Factors
;
Postoperative Complications/epidemiology*
;
Injections, Spinal
;
Incidence
;
Analgesics, Opioid/adverse effects*
;
Aged, 80 and over
3.Global, regional and national burden and trends of congenital musculoskeletal and limb deformities among under-5 children from 1990 to 2021: a systematic analysis for the Global Burden of Disease Study 2021.
Qinglin YANG ; Zhuanmei JIN ; Yongping WANG
Frontiers of Medicine 2025;19(5):807-819
Congenital musculoskeletal and limb deformities (CMLD) seriously affect the physical and mental health of patients, and pose great challenges to healthcare systems worldwide. We explored the specific situation and changes of incidence, prevalence, disability-adjusted life years rates, and mortality of CMLD in under-5 children from 1990 to 2021 in different groups, including different regions, periods, genders and socio-demographic indices (SDI), through corresponding analytical models. Overall, the global disease burden of CMLD in under-5 children has decreased from 1990 to 2021. The disease burden of CMLD in under-5 children varied significantly among different regions and countries, and there was a strong correlation between the corresponding burden of disease and the level of SDI. In addition, cross-country inequality analysis showed that while absolute inequalities in the disease burden of CMLD in under-5 children have improved, relative inequalities have worsened. It is essential to reduce the global health impact of CMLD by implementing targeted interventions to improve health care in underdeveloped areas.
Humans
;
Global Burden of Disease/trends*
;
Child, Preschool
;
Global Health/statistics & numerical data*
;
Infant
;
Male
;
Prevalence
;
Limb Deformities, Congenital/mortality*
;
Musculoskeletal Abnormalities/mortality*
;
Female
;
Disability-Adjusted Life Years
;
Incidence
;
Infant, Newborn
;
Cost of Illness
;
Socioeconomic Factors
4.Epidemiology and prognostic risk factors of sepsis in Xinjiang Uygur Autonomous Region: a multicenter prospective cross-sectional survey.
Wenzhe LI ; Yi WANG ; Jingyan WANG ; Husitar GULIBANUMU ; Xiang LI ; Li ZHANG ; Zhengkai WANG ; Ruifeng CHAI ; Xiangyou YU
Chinese Critical Care Medicine 2025;37(7):664-670
OBJECTIVE:
To investigate the incidence of sepsis in Xinjiang Uygur Autonomous Region and the compliance with sepsis diagnosis and treatment guidelines in intensive care unit (ICU) at different levels of hospitals, and to identify the risk factors associated with poor prognosis in patients with sepsis in this region.
METHODS:
A prospective cross-sectional survey was conducted in ICU of Xinjiang Uygur Autonomous Region Critical Care Medicine Alliance. The survey period was from 10:00 on January 31, 2024, to 09:59 on February 1, 2024. The patients diagnosed with sepsis admitted to the ICU during the study period were included in the analysis. Data on patient demographics, physiology, microbiology, and treatment protocols were collected, with follow-up until the 28th day after ICU admission or death. Baseline characteristics and treatment information of septic patients across different hospital levels were compared, as well as clinical data of septic patients with different 28-day outcomes. Multivariate Cox proportional hazards model was used to identify risk factors for 28-day death in septic patients.
RESULTS:
A total of 77 units of Xinjiang Uygur Autonomous Region Critical Care Medicine Alliance from 14 prefectures/cities in Xinjiang participated in the survey. On the survey day, 727 patients were admitted to ICU, of whom 179 (24.6%) were diagnosed with sepsis, and 64 (35.8%) died within 28 days, 115 (64.2%) survived. Among the participating institutions, 33 were tertiary hospitals (42.9%), managing 97 septic cases (54.2%), and 44 were secondary hospitals (57.1%), managing 82 septic cases (45.8%). The lactic acid monitoring rate and continuous renal replacement therapy (CRRT) rate for septic patients in tertiary hospitals were significantly higher than those in secondary hospitals [lactic acid monitoring rate: 92.8% (90/97) vs. 82.9% (68/82), CRRT rate: 17.5% (17/97) vs. 3.7% (3/82), both P < 0.05]. No statistically significant differences were observed between tertiary and secondary hospitals in length of ICU stay or 28-day mortality [length of ICU stay (days): 11.0 (16.0) vs. 10.0 (22.0), 28-day mortality: 35.1% (34/97) vs. 36.6% (30/82), both P > 0.05]. Compared with survivors, non-survivors had higher acute physiology and chronic health evaluation II (APACHE II) score, sequential organ failure assessment (SOFA) score, Charlson comorbidity index (CCI) score and lower Glasgow coma scale (GCS) score. Significant differences were noted in vital signs [heart rate, blood pressure, body temperature, pulse oxygen saturation (SpO2)], laboratory markers [red blood cell count (RBC), white blood cell count (WBC), lymphocyte ratio (LYM%), blood urea nitrogen (BUN), total protein (TP), albumin (Alb), pH value, base excess (BE)], and monitoring, diagnosis and treatment information (invasive blood pressure monitoring, mechanical ventilation, CRRT, usage of norepinephrine). Multivariate Cox proportional hazards model indicated that body temperature [hazard ratio (HR) = 1.416, 95% confidence interval (95%CI) was 1.022-1.961, P = 0.037] and WBC (HR = 1.040, 95%CI was 1.010-1.071, P = 0.009) were independent risk factors for 28-day death in patients with sepsis.
CONCLUSIONS
Sepsis in Xinjiang Uygur Autonomous Region is characterized by a high mortality. In this region, tertiary hospitals demonstrate better compliance with bundled treatment strategies such as lactic acid monitoring and the usage of CRRT compared to secondary hospitals, yet they do not show significant advantages in clinical outcomes. Body temperature and WBC are independent risk factors for 28-day death in patients with sepsis in this region. However, clinicians should still consider the actual situation of patients, along with more optimal early warning indicators and comprehensive system assessments, to identify and prevent risk factors for adverse outcomes in patients.
Humans
;
Sepsis/diagnosis*
;
Cross-Sectional Studies
;
Prospective Studies
;
Risk Factors
;
Intensive Care Units
;
Prognosis
;
China/epidemiology*
;
Male
;
Female
;
Middle Aged
;
Aged
;
Proportional Hazards Models
;
Incidence
5.Disease burden of spinal fractures in China from 1990 to 2021 and temporal trends: A comparative analysis based on the Global Burden of Disease Study 2021.
Hao WANG ; Hua LIU ; Tianyun SHI ; Huaixi FAN ; Songkai LI
Chinese Journal of Reparative and Reconstructive Surgery 2025;39(6):762-768
OBJECTIVE:
To analyze the current status and temporal trends of the disease burden of spinal fractures in China from 1990 to 2021 based on data from the Global Burden of Disease Study 2021 (GBD 2021), aiming to provide evidence for developing prevention and treatment strategies.
METHODS:
Epidemiological data on spinal fractures in China, the United States of America (USA), and globally were extracted from the GBD 2021 database. Joinpoint regression models were applied to analyze temporal trends. Age-standardized incidence, prevalence, and disability-adjusted life years (DALYs) rates were calculated, with comparisons of gender- and age-group disparities.
RESULTS:
In 2021, the number of incident cases, prevalent cases, and DALYs of spinal fractures in China increased by 52.28%, 113.68%, and 106.98%, respectively, compared to 1990. The age-standardized incidence, prevalence, and DALYs rates rose by 11.80%, 16.11%, and 14.79%, respectively. The disease burden escalated significantly with age, peaking in individuals aged ≥75 years. Males exhibited higher age-standardized incidence and DALYs rates than females. Comparative analysis revealed that the age-standardized DALYs rate in China (4.19/100 000) was lower than that in globally (6.62/100 000) and USA (15.92/100 000). However, China showed an upward trend [annual average percentage change (AAPC)=0.19%], contrasting with a declining trend in the USA (AAPC=-0.08%).
CONCLUSION
The escalating disease burden of spinal fractures in China is closely linked to population aging, gender disparities, and insufficient targeted prevention policies. Future strategies should integrate age- and gender-specific interventions, including strengthened osteoporosis prevention, trauma risk control, and big data-driven precision measures, to mitigate this burden.
Humans
;
China/epidemiology*
;
Global Burden of Disease/trends*
;
Male
;
Female
;
Spinal Fractures/epidemiology*
;
Middle Aged
;
Aged
;
Disability-Adjusted Life Years
;
Prevalence
;
Incidence
;
Adult
;
Young Adult
;
Adolescent
;
Aged, 80 and over
;
United States/epidemiology*
;
Cost of Illness
;
Quality-Adjusted Life Years
;
Child
6.Attributable disease burden of low bone mineral density related fractures in people over 50 years old from 1990 to 2023 in China.
Zepeng LAI ; Yunxiao WU ; Juxi JIANG ; Xiang SHU ; Ziqian ZENG ; Weizhong CHEN
Chinese Journal of Reparative and Reconstructive Surgery 2025;39(11):1363-1370
OBJECTIVE:
To estimate the population attributable disease burden (PAD) of low bone mineral density (LBMD) related fractures (fragility fractures) among Chinese people over 50 years old from 1990 to 2023, using data from the Global Burden of Disease Study 2023 (GBD 2023), and to provide evidence for prevention strategies and health resource allocation.
METHODS:
Based on the GBD 2023, the LBMD summary exposure values (SEV), fracture incidence, years lived with disability (YLDs), and LBMD-related falls YLDs of Chinese people over 50 years old from 1990 to 2023 were extracted. PAD was calculated with population attributable fraction (PAF), and an entropy-weight method was applied to evaluate the contribution of individual fracture sites. Temporal trends and sex differences were examined with Joinpoint regression.
RESULTS:
From 1990 to 2023, the age-standardized SEV of LBMD in people over 50 years old showed an overall decline [average annual percent change (AAPC)=-0.564%]. Age-standardized fracture incidence, fracture YLDs rate, and LBMD-related falls YLDs rate all exhibited W-shaped upward trends (AAPC=1.045%, 0.296%, and 0.724%, respectively). PAF-based estimates indicated that LBMD-attributable fracture incidence likewise increased in a "W-shaped" manner (AAPC=0.558%), whereas the corresponding YLDs rate showed an overall W-shaped decline (AAPC=-0.193%). In international comparison, China and the global average displayed broadly concordant directions of change, with greater volatility in China and a progressive narrowing of the gap after 2015. Regarding sex differences, fracture YLDs rates were consistently higher in the males, whereas the other burden indicators were higher in the females; the temporal patterns were similar in both sexes. Entropy weight method identified hip fractures as contributing most to incidence (weight 0.133), and pelvic fractures as the largest contributor to YLDs rate (weight 0.115).
CONCLUSION
Since 1990, the LBMD attributable fracture burden in China's older population has risen, with female and hip or pelvic fractures bearing the heaviest load. Strengthened osteoporosis screening, improved insurance coverage, and targeted health education are urgently needed to curb further increases in disease burden.
Humans
;
China/epidemiology*
;
Middle Aged
;
Female
;
Male
;
Bone Density
;
Aged
;
Incidence
;
Osteoporotic Fractures/epidemiology*
;
Aged, 80 and over
;
Accidental Falls/statistics & numerical data*
;
Cost of Illness
;
Global Burden of Disease
;
Osteoporosis/complications*
;
Disability-Adjusted Life Years
;
Fractures, Bone/epidemiology*
7.Trends in burden of pelvic fractures from 1990 to 2023 and long short-term memory-based insights into future projections.
Wenbin FAN ; Yueheng YIN ; Chuwei TIAN ; Jun ZHOU ; Tian XIE ; Liu SHI ; Guodong LIU ; Yunfeng RUI
Chinese Journal of Reparative and Reconstructive Surgery 2025;39(11):1371-1380
OBJECTIVE:
To analyze the disease burden of pelvic fractures at the global, regional, and national levels from 1990 to 2023 using data from the 2023 Global Burden of Disease Study (GBD), and to predict the disease burden through 2050.
METHODS:
Leveraging data from the GBD 2023, this study investigated the disease burden of pelvic fractures across 204 countries and regions. Assessment indicators included incidence rate, prevalence rate, and years lived with disability (YLDs). The Joinpoint regression model was employed to analyze trends in pelvic fracture burden from 1990 to 2023, while the average annual percentage change (AAPC) was used to quantify this temporal trend. The relationship between the socio-demographic index and pelvic fracture burden was evaluated. Furthermore, the long short-term memory (LSTM) model was applied to predict trends in pelvic fracture burden through 2050.
RESULTS:
In 2023, the estimated number of new pelvic fracture cases globally was 7 479 884 [95% uncertainty interval ( UI): 5 293 401-10 611 876], representing a 42.74% increase from 1990. In the same year, the number of prevalent pelvic fracture cases and YLDs were 23 007 508 (95% UI: 21 021 518-25 327 165) and 3 909 228 person-years (95% UI: 2 725 498-5 194 385), respectively. Additionally, age-standardized rates exhibited an opposing downward trend. Significant disparities in the disease burden of pelvic fractures were identified across different age groups, genders, and social contexts. According to predictions from the LSTM model, the global age-standardized incidence rate (ASIR) of pelvic fractures will be approximately 88.44 per 100 000 persons by 2050, while the total number of incident cases will rise to 8 547 095.
CONCLUSION
Although the overall incidence rate, prevalence rate, and YLDs of pelvic fractures have exhibited an upward trend over the past three decades, the ASIR, age-standardized prevalence rate (ASPR), and age-standardized years of life lost rate (ASYR) have shown a downward trend. It is predicted that over the upcoming 26-year period, the age-standardized rate of disease burden due to pelvic fractures will further decrease, while the number of incident cases and prevalent cases will continue to exhibit an upward trend. Formulating more targeted disease prevention strategies is critical to addressing disparities across genders, regions, and other dimensions, and to mitigating the burden of pelvic fractures.
Humans
;
Fractures, Bone/epidemiology*
;
Pelvic Bones/injuries*
;
Male
;
Female
;
Middle Aged
;
Adult
;
Incidence
;
Prevalence
;
Aged
;
Global Burden of Disease/trends*
;
Global Health
;
Adolescent
;
Cost of Illness
;
Young Adult
;
Forecasting
;
Disability-Adjusted Life Years
;
Memory, Short-Term
8.Analysis of current status and trends of disease burden of knee osteoarthritis in China, 1990-2023.
Jie LIAO ; Qiongyao WU ; Gonghua WU ; Bing GUO ; Juying ZHANG
Chinese Journal of Reparative and Reconstructive Surgery 2025;39(11):1381-1387
OBJECTIVE:
To analyze the current status and trends of the disease burden of knee osteoarthritis (KOA) in China from 1990 to 2023, and to examine the epidemiological characteristics of age, gender differences, and attribution to high body mass index (BMI), in order to provide a basis for formulating prevention and treatment strategies to reduce the disease burden of KOA in China.
METHODS:
Based on the 2023 Global Burden of Disease Study (GBD) database, data on the number, rate, and age-standardized rate of incidence, prevalence, disability-adjusted life years (DALYs) for KOA, and DALYs for KOA attributable to high BMI in the Chinese population from 1990 to 2023 were integrated. The Joinpoint 5.4.0.0 software was used to analyze the age and gender differences in KOA and the epidemiological characteristics attributable to high BMI.
RESULTS:
The standardized incidence, prevalence, and DALYs rates of KOA in China in 2023 increased by 6.46%, 6.43%, and 6.93%, respectively, compared with 1990. In terms of age, the disease burden of KOA in China was lowest in the age group of 30-34 years, with the highest incidence rate in the age group of 50-54 years, whereas the prevalence rate and DALYs rate continued to increase with age, and both were highest in the age group of ≥70 years. In terms of gender, all disease burden standardized rate indicators were higher in females than in males, and the difference widened with age. The rate of BMI-attributable DALYs increased at an annual average rate of 1.57% (95% CI: 1.55, 1.59) from 1990 to 2023, again with significant age and gender differences.
CONCLUSION
The continued growth of the KOA disease burden and significant population differences characterizing China call for focused attention on the female middle-aged and elderly population, enhanced weight management, and implementation of targeted preventive and control measures.
Humans
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Osteoarthritis, Knee/epidemiology*
;
China/epidemiology*
;
Male
;
Female
;
Middle Aged
;
Incidence
;
Aged
;
Adult
;
Prevalence
;
Body Mass Index
;
Disability-Adjusted Life Years
;
Cost of Illness
;
Aged, 80 and over
;
Sex Factors
;
Global Burden of Disease
;
Age Factors
;
Young Adult
;
Quality-Adjusted Life Years
9.Analysis of disease burden and changing trends of traumatic brain injury in China, 1990-2023.
Yajin HAN ; Ke SUN ; Weimin PAN ; Xiaofeng LUO
Chinese Journal of Reparative and Reconstructive Surgery 2025;39(11):1388-1394
OBJECTIVE:
To explore the current status and changing trends of the disease burden of traumatic brain injury (TBI) in China from 1990 to 2023, and to quantitatively assess the impact of different influencing factors on this disease burden, thereby providing references for the prevention of TBI.
METHODS:
Based on the 2023 Global Burden of Disease Study (GBD), indicators including incidence and years lived with disability (YLDs) were used to analyze the status and changing trends of TBI disease burden in China from 1990 to 2023. Additionally, the decomposition method established by Gupta was adopted to quantify the effects of population growth, population aging, age-specific incidence rate, and disease severity on YLDs.
RESULTS:
From 1990 to 2023, the age-standardized incidence rate and YLDs rate of TBI in China showed an overall upward trend, with a significant downward trend between 2015 and 2020, followed by a resumption of upward trend after 2020. The disease burden of TBI in males was higher than that in females, with a larger increase amplitude. The elderly population had higher TBI incidence rate and YLDs rate, also with a larger upward amplitude. Falls were the main cause of TBI in China, and the changing trend of the disease burden caused by falls was consistent with the overall trend of TBI disease burden; meanwhile, the elderly population bore a relatively high disease burden from falls. Taking 1990 as the baseline, the growth rates of YLDs in males and females in 2023 were 101.54% and 101.40%, respectively. For males, the proportions of YLDs growth attributed to population growth, population aging, age-specific incidence rate, and disease severity were 26.91%, 49.62%, 37.74%, and -12.73%, respectively; for females, the corresponding proportions were 28.85%, 57.69%, 27.65%, and -12.79%.
CONCLUSION
From 1990 to 2023, population aging had a significant impact on the disease burden of TBI in China. Strengthening the prevention and control of falls and paying close attention to males and the elderly population should be the key focuses of TBI prevention and control work in China in the future.
Humans
;
Brain Injuries, Traumatic/epidemiology*
;
China/epidemiology*
;
Male
;
Female
;
Incidence
;
Middle Aged
;
Aged
;
Adult
;
Cost of Illness
;
Adolescent
;
Young Adult
;
Persons with Disabilities/statistics & numerical data*
;
Child
;
Global Burden of Disease
;
Disability-Adjusted Life Years
;
Child, Preschool
;
Infant
;
Aged, 80 and over
10.iPARTY study: Increasing pre-exposure prophylaxis access and reach via telehealth for young men who have sex with men in Singapore 2022-2023.
Pei Hua LEE ; Justin Y LIM ; P Arun KUMAR ; Zhi Hui TAN ; Rayen Bing Hui TAN ; Chiaw Yee CHOY ; Rayner Kay Jin TAN ; Martin Tw CHIO ; Chen Seong WONG
Annals of the Academy of Medicine, Singapore 2025;54(3):160-169
INTRODUCTION:
Although pre-exposure prophylaxis (PrEP) has been available in Singapore since 2016, its uptake among gay, bisexual and other men-who-have-sex-with-men (GBMSM) is low. The iPARTY study was established to evaluate the acceptability and feasibility of PrEP and a PrEP teleconsultation service for young GBMSM aged 18 to 29 years.
METHOD:
A total of 53 young GBMSM were enrolled in the iPARTY study. They had a total of 5 in-person consultations and teleconsultations, at 12-week intervals. Laboratory tests and quarterly baseline surveys were performed to assess PrEP adherence, sexual behaviour, and incidence of human immunodeficiency virus (HIV) and other sexually transmitted infections (STIs).
RESULTS:
Thirty-five participants completed the entire 12-month follow-up. Most participants had positive experiences with PrEP teleconsultations. There was a statistically significant fall in participants' aggregate Patient Health Questionnaire-9 scores throughout the study. Self-reported PrEP adherence decreased over the course of the study, denoting improved mental health. Although self-reported condom use for anal intercourse and participants' risk perception of HIV decreased after PrEP adoption, there was no statisti-cally significant increase in STI incidence.
CONCLUSION
This pilot project has shown that PrEP services provide an opportunity for YMSM to access sexual health testing, treatment and counselling, and may even have tangible benefits on the mental health of this population. Teleconsultation is shown to be a suitable platform for the delivery of such services. Collaborative initiatives are crucial to further enhance the affordability and accessibility of PrEP in Singapore, and to improve patient adherence.
Adolescent
;
Adult
;
Humans
;
Male
;
Young Adult
;
Anti-HIV Agents/administration & dosage*
;
Feasibility Studies
;
Health Risk Behaviors
;
HIV Infections/psychology*
;
Incidence
;
Medication Adherence
;
Mental Health/statistics & numerical data*
;
Pilot Projects
;
Pre-Exposure Prophylaxis/statistics & numerical data*
;
Sexual and Gender Minorities/statistics & numerical data*
;
Sexually Transmitted Diseases/prevention & control*
;
Singapore/epidemiology*
;
Telemedicine/statistics & numerical data*
;
Homosexuality, Male/statistics & numerical data*


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