1.Comparing mortality rates, risk, and trends of hip fracture and common cancers in Hong Kong, 2010–2020: A population-based study
Xiaowen ZHANG ; Chor-Wing SING ; Philip CM AU ; Kathryn Choon-Beng TAN ; Ian Chi-Kei WONG ; Ching-Lung CHEUNG
Osteoporosis and Sarcopenia 2025;11(1):15-21
Objectives:
Hip fracture is a global public concern exhibiting high mortality rates but often underrecognized. We compared the mortality rates, risk, and secular trend of hip fractures with common cancers in females and males, aiming to call attention to hip fractures.
Methods:
In 2010–2020, 193,767 patients with the first diagnosed hip fractures and the top 5 prevalent cancers in each sex and aged 50 years and above were included. Age-standardized mortality rates were adjusted to the WHO Standard Population and the sex-specific relative risk of mortality was computed using Cox proportional hazards models, adjusted for potential confounders. The trend analyses used joinpoint regression to compute annual percent changes in age-standardized mortality rates.
Results
The 1-year and 5-year age-standardized mortality rates and sex-specific mortality risk of hip fracture are greater than those of breast cancer (hazard ratio [HR]: 0.93, 95% confidence interval [CI]: 0.90 to 0.97) and thyroid cancer (HR: 0.55, 95% CI: 0.47 to 0.64) in females and prostate cancer (HR: 0.56, 95% CI: 0.53 to 0.58) in males. Moreover, mortality rates in lung cancer, male liver cancer, female breast cancer, and male prostate cancer have decreased in the past decade. For hip fracture, the mortality rates have significantly decreased in females, while in males, we observed only a decreasing trend in 1-year hip fracture mortality, not in 5-year Conclusions: Hip fractures exhibit higher mortality compared to female breast and thyroid cancers and male prostate cancer. More attention is needed to enhance the management and prevention of hip fractures.
2.Predictors of moderate, severe, and critical COVID-19 infection in a largely vaccinated kidney transplant recipient cohort during the Omicron era: the importance of timely booster vaccinations and early presentation to care
Cherie Le Si GAN ; Shimin Jasmine CHUNG ; Quan Yao HO ; Thuan Tong TAN ; Ban Hock TAN ; Ian Tatt LIEW ; Carolyn Shan-Yeu TIEN ; Sobhana THANGARAJU ; Terence KEE
Clinical Transplantation and Research 2025;39(1):46-54
Background:
Kidney transplant recipients (KTRs) are at risk of coronavirus disease 2019 (COVID-19) complications and mortality. This study examined factors associated with moderate, severe, or critical COVID-19 infection among KTRs during the Omicron-predominant period.
Methods:
This single-center retrospective study included KTRs aged ≥18 years diag-nosed with COVID-19 between January 1, 2022, and December 31, 2023. Mild infection was defined as symptomatic illness without lower respiratory tract infection (LRTI);moderate infection as LRTI without hypoxia; severe infection as oxygen saturation <94% on room air; and critical infection as respiratory failure, septic shock, or multiple organ dysfunction. We compared the characteristics of KTRs with asymptomatic or mild COVID-19 versus those with moderate to critical disease. Logistic regression analysis was performed to identify factors associated with moderate to critical illness.
Results:
Most KTRs (94.4%) had received three or more vaccine doses. Of 603 episodes of COVID-19 infection during the study period, 554 (91.9%) were asymptomatic or mild, while 49 (8.1%) were moderate to critical. Multivariate analysis revealed that older age (adjusted odds ratio [aOR], 1.037; 95% confidence interval [CI], 1.006–1.069) and longer symptom duration before seeking care (aOR, 1.288; 95% CI, 1.155–1.436) were associated with higher odds of moderate to critical disease. Protective factors included receiving a vaccine booster within the past year (aOR, 0.414; 95% CI, 0.212–0.809) and higher glomerular filtration rate (aOR, 0.971; 95% CI, 0.956–0.986).
Conclusions
KTRs should seek care early if infected with COVID-19 and keep their COVID-19 vaccine boosters updated within 1 year of the last dose.
3.Comparing mortality rates, risk, and trends of hip fracture and common cancers in Hong Kong, 2010–2020: A population-based study
Xiaowen ZHANG ; Chor-Wing SING ; Philip CM AU ; Kathryn Choon-Beng TAN ; Ian Chi-Kei WONG ; Ching-Lung CHEUNG
Osteoporosis and Sarcopenia 2025;11(1):15-21
Objectives:
Hip fracture is a global public concern exhibiting high mortality rates but often underrecognized. We compared the mortality rates, risk, and secular trend of hip fractures with common cancers in females and males, aiming to call attention to hip fractures.
Methods:
In 2010–2020, 193,767 patients with the first diagnosed hip fractures and the top 5 prevalent cancers in each sex and aged 50 years and above were included. Age-standardized mortality rates were adjusted to the WHO Standard Population and the sex-specific relative risk of mortality was computed using Cox proportional hazards models, adjusted for potential confounders. The trend analyses used joinpoint regression to compute annual percent changes in age-standardized mortality rates.
Results
The 1-year and 5-year age-standardized mortality rates and sex-specific mortality risk of hip fracture are greater than those of breast cancer (hazard ratio [HR]: 0.93, 95% confidence interval [CI]: 0.90 to 0.97) and thyroid cancer (HR: 0.55, 95% CI: 0.47 to 0.64) in females and prostate cancer (HR: 0.56, 95% CI: 0.53 to 0.58) in males. Moreover, mortality rates in lung cancer, male liver cancer, female breast cancer, and male prostate cancer have decreased in the past decade. For hip fracture, the mortality rates have significantly decreased in females, while in males, we observed only a decreasing trend in 1-year hip fracture mortality, not in 5-year Conclusions: Hip fractures exhibit higher mortality compared to female breast and thyroid cancers and male prostate cancer. More attention is needed to enhance the management and prevention of hip fractures.
4.Comparing mortality rates, risk, and trends of hip fracture and common cancers in Hong Kong, 2010–2020: A population-based study
Xiaowen ZHANG ; Chor-Wing SING ; Philip CM AU ; Kathryn Choon-Beng TAN ; Ian Chi-Kei WONG ; Ching-Lung CHEUNG
Osteoporosis and Sarcopenia 2025;11(1):15-21
Objectives:
Hip fracture is a global public concern exhibiting high mortality rates but often underrecognized. We compared the mortality rates, risk, and secular trend of hip fractures with common cancers in females and males, aiming to call attention to hip fractures.
Methods:
In 2010–2020, 193,767 patients with the first diagnosed hip fractures and the top 5 prevalent cancers in each sex and aged 50 years and above were included. Age-standardized mortality rates were adjusted to the WHO Standard Population and the sex-specific relative risk of mortality was computed using Cox proportional hazards models, adjusted for potential confounders. The trend analyses used joinpoint regression to compute annual percent changes in age-standardized mortality rates.
Results
The 1-year and 5-year age-standardized mortality rates and sex-specific mortality risk of hip fracture are greater than those of breast cancer (hazard ratio [HR]: 0.93, 95% confidence interval [CI]: 0.90 to 0.97) and thyroid cancer (HR: 0.55, 95% CI: 0.47 to 0.64) in females and prostate cancer (HR: 0.56, 95% CI: 0.53 to 0.58) in males. Moreover, mortality rates in lung cancer, male liver cancer, female breast cancer, and male prostate cancer have decreased in the past decade. For hip fracture, the mortality rates have significantly decreased in females, while in males, we observed only a decreasing trend in 1-year hip fracture mortality, not in 5-year Conclusions: Hip fractures exhibit higher mortality compared to female breast and thyroid cancers and male prostate cancer. More attention is needed to enhance the management and prevention of hip fractures.
5.Predictors of moderate, severe, and critical COVID-19 infection in a largely vaccinated kidney transplant recipient cohort during the Omicron era: the importance of timely booster vaccinations and early presentation to care
Cherie Le Si GAN ; Shimin Jasmine CHUNG ; Quan Yao HO ; Thuan Tong TAN ; Ban Hock TAN ; Ian Tatt LIEW ; Carolyn Shan-Yeu TIEN ; Sobhana THANGARAJU ; Terence KEE
Clinical Transplantation and Research 2025;39(1):46-54
Background:
Kidney transplant recipients (KTRs) are at risk of coronavirus disease 2019 (COVID-19) complications and mortality. This study examined factors associated with moderate, severe, or critical COVID-19 infection among KTRs during the Omicron-predominant period.
Methods:
This single-center retrospective study included KTRs aged ≥18 years diag-nosed with COVID-19 between January 1, 2022, and December 31, 2023. Mild infection was defined as symptomatic illness without lower respiratory tract infection (LRTI);moderate infection as LRTI without hypoxia; severe infection as oxygen saturation <94% on room air; and critical infection as respiratory failure, septic shock, or multiple organ dysfunction. We compared the characteristics of KTRs with asymptomatic or mild COVID-19 versus those with moderate to critical disease. Logistic regression analysis was performed to identify factors associated with moderate to critical illness.
Results:
Most KTRs (94.4%) had received three or more vaccine doses. Of 603 episodes of COVID-19 infection during the study period, 554 (91.9%) were asymptomatic or mild, while 49 (8.1%) were moderate to critical. Multivariate analysis revealed that older age (adjusted odds ratio [aOR], 1.037; 95% confidence interval [CI], 1.006–1.069) and longer symptom duration before seeking care (aOR, 1.288; 95% CI, 1.155–1.436) were associated with higher odds of moderate to critical disease. Protective factors included receiving a vaccine booster within the past year (aOR, 0.414; 95% CI, 0.212–0.809) and higher glomerular filtration rate (aOR, 0.971; 95% CI, 0.956–0.986).
Conclusions
KTRs should seek care early if infected with COVID-19 and keep their COVID-19 vaccine boosters updated within 1 year of the last dose.
6.Predictors of moderate, severe, and critical COVID-19 infection in a largely vaccinated kidney transplant recipient cohort during the Omicron era: the importance of timely booster vaccinations and early presentation to care
Cherie Le Si GAN ; Shimin Jasmine CHUNG ; Quan Yao HO ; Thuan Tong TAN ; Ban Hock TAN ; Ian Tatt LIEW ; Carolyn Shan-Yeu TIEN ; Sobhana THANGARAJU ; Terence KEE
Clinical Transplantation and Research 2025;39(1):46-54
Background:
Kidney transplant recipients (KTRs) are at risk of coronavirus disease 2019 (COVID-19) complications and mortality. This study examined factors associated with moderate, severe, or critical COVID-19 infection among KTRs during the Omicron-predominant period.
Methods:
This single-center retrospective study included KTRs aged ≥18 years diag-nosed with COVID-19 between January 1, 2022, and December 31, 2023. Mild infection was defined as symptomatic illness without lower respiratory tract infection (LRTI);moderate infection as LRTI without hypoxia; severe infection as oxygen saturation <94% on room air; and critical infection as respiratory failure, septic shock, or multiple organ dysfunction. We compared the characteristics of KTRs with asymptomatic or mild COVID-19 versus those with moderate to critical disease. Logistic regression analysis was performed to identify factors associated with moderate to critical illness.
Results:
Most KTRs (94.4%) had received three or more vaccine doses. Of 603 episodes of COVID-19 infection during the study period, 554 (91.9%) were asymptomatic or mild, while 49 (8.1%) were moderate to critical. Multivariate analysis revealed that older age (adjusted odds ratio [aOR], 1.037; 95% confidence interval [CI], 1.006–1.069) and longer symptom duration before seeking care (aOR, 1.288; 95% CI, 1.155–1.436) were associated with higher odds of moderate to critical disease. Protective factors included receiving a vaccine booster within the past year (aOR, 0.414; 95% CI, 0.212–0.809) and higher glomerular filtration rate (aOR, 0.971; 95% CI, 0.956–0.986).
Conclusions
KTRs should seek care early if infected with COVID-19 and keep their COVID-19 vaccine boosters updated within 1 year of the last dose.
7.Comparing mortality rates, risk, and trends of hip fracture and common cancers in Hong Kong, 2010–2020: A population-based study
Xiaowen ZHANG ; Chor-Wing SING ; Philip CM AU ; Kathryn Choon-Beng TAN ; Ian Chi-Kei WONG ; Ching-Lung CHEUNG
Osteoporosis and Sarcopenia 2025;11(1):15-21
Objectives:
Hip fracture is a global public concern exhibiting high mortality rates but often underrecognized. We compared the mortality rates, risk, and secular trend of hip fractures with common cancers in females and males, aiming to call attention to hip fractures.
Methods:
In 2010–2020, 193,767 patients with the first diagnosed hip fractures and the top 5 prevalent cancers in each sex and aged 50 years and above were included. Age-standardized mortality rates were adjusted to the WHO Standard Population and the sex-specific relative risk of mortality was computed using Cox proportional hazards models, adjusted for potential confounders. The trend analyses used joinpoint regression to compute annual percent changes in age-standardized mortality rates.
Results
The 1-year and 5-year age-standardized mortality rates and sex-specific mortality risk of hip fracture are greater than those of breast cancer (hazard ratio [HR]: 0.93, 95% confidence interval [CI]: 0.90 to 0.97) and thyroid cancer (HR: 0.55, 95% CI: 0.47 to 0.64) in females and prostate cancer (HR: 0.56, 95% CI: 0.53 to 0.58) in males. Moreover, mortality rates in lung cancer, male liver cancer, female breast cancer, and male prostate cancer have decreased in the past decade. For hip fracture, the mortality rates have significantly decreased in females, while in males, we observed only a decreasing trend in 1-year hip fracture mortality, not in 5-year Conclusions: Hip fractures exhibit higher mortality compared to female breast and thyroid cancers and male prostate cancer. More attention is needed to enhance the management and prevention of hip fractures.
8.Predictors of moderate, severe, and critical COVID-19 infection in a largely vaccinated kidney transplant recipient cohort during the Omicron era: the importance of timely booster vaccinations and early presentation to care
Cherie Le Si GAN ; Shimin Jasmine CHUNG ; Quan Yao HO ; Thuan Tong TAN ; Ban Hock TAN ; Ian Tatt LIEW ; Carolyn Shan-Yeu TIEN ; Sobhana THANGARAJU ; Terence KEE
Clinical Transplantation and Research 2025;39(1):46-54
Background:
Kidney transplant recipients (KTRs) are at risk of coronavirus disease 2019 (COVID-19) complications and mortality. This study examined factors associated with moderate, severe, or critical COVID-19 infection among KTRs during the Omicron-predominant period.
Methods:
This single-center retrospective study included KTRs aged ≥18 years diag-nosed with COVID-19 between January 1, 2022, and December 31, 2023. Mild infection was defined as symptomatic illness without lower respiratory tract infection (LRTI);moderate infection as LRTI without hypoxia; severe infection as oxygen saturation <94% on room air; and critical infection as respiratory failure, septic shock, or multiple organ dysfunction. We compared the characteristics of KTRs with asymptomatic or mild COVID-19 versus those with moderate to critical disease. Logistic regression analysis was performed to identify factors associated with moderate to critical illness.
Results:
Most KTRs (94.4%) had received three or more vaccine doses. Of 603 episodes of COVID-19 infection during the study period, 554 (91.9%) were asymptomatic or mild, while 49 (8.1%) were moderate to critical. Multivariate analysis revealed that older age (adjusted odds ratio [aOR], 1.037; 95% confidence interval [CI], 1.006–1.069) and longer symptom duration before seeking care (aOR, 1.288; 95% CI, 1.155–1.436) were associated with higher odds of moderate to critical disease. Protective factors included receiving a vaccine booster within the past year (aOR, 0.414; 95% CI, 0.212–0.809) and higher glomerular filtration rate (aOR, 0.971; 95% CI, 0.956–0.986).
Conclusions
KTRs should seek care early if infected with COVID-19 and keep their COVID-19 vaccine boosters updated within 1 year of the last dose.
9.Comparing mortality rates, risk, and trends of hip fracture and common cancers in Hong Kong, 2010–2020: A population-based study
Xiaowen ZHANG ; Chor-Wing SING ; Philip CM AU ; Kathryn Choon-Beng TAN ; Ian Chi-Kei WONG ; Ching-Lung CHEUNG
Osteoporosis and Sarcopenia 2025;11(1):15-21
Objectives:
Hip fracture is a global public concern exhibiting high mortality rates but often underrecognized. We compared the mortality rates, risk, and secular trend of hip fractures with common cancers in females and males, aiming to call attention to hip fractures.
Methods:
In 2010–2020, 193,767 patients with the first diagnosed hip fractures and the top 5 prevalent cancers in each sex and aged 50 years and above were included. Age-standardized mortality rates were adjusted to the WHO Standard Population and the sex-specific relative risk of mortality was computed using Cox proportional hazards models, adjusted for potential confounders. The trend analyses used joinpoint regression to compute annual percent changes in age-standardized mortality rates.
Results
The 1-year and 5-year age-standardized mortality rates and sex-specific mortality risk of hip fracture are greater than those of breast cancer (hazard ratio [HR]: 0.93, 95% confidence interval [CI]: 0.90 to 0.97) and thyroid cancer (HR: 0.55, 95% CI: 0.47 to 0.64) in females and prostate cancer (HR: 0.56, 95% CI: 0.53 to 0.58) in males. Moreover, mortality rates in lung cancer, male liver cancer, female breast cancer, and male prostate cancer have decreased in the past decade. For hip fracture, the mortality rates have significantly decreased in females, while in males, we observed only a decreasing trend in 1-year hip fracture mortality, not in 5-year Conclusions: Hip fractures exhibit higher mortality compared to female breast and thyroid cancers and male prostate cancer. More attention is needed to enhance the management and prevention of hip fractures.
10.Survey of students and alumni of Clinical Epidemiology Graduate Programs in the Philippines: A descriptive cross-sectional study of program strengths and weaknesses.
Cynthia P. Cordero ; Carol Stephanie C. Tan-Lim ; Carlo Irwin A. Panelo ; Ian Theodore G. Cabaluna ; Girlie C. Monis ; Paul Erich R. Famador
Acta Medica Philippina 2024;58(15):11-23
BACKGROUND AND OBJECTIVES
The Department of Clinical Epidemiology (DCE) of the University of the Philippines Manila is the only higher education institution in the Philippines offering graduate studies in clinical epidemiology. The Master of Science Epidemiology (Clinical Epidemiology) was first offered in 1992, while the Diploma in Epidemiology (Clinical Epidemiology) was offered in 1998. While the courses of the programs are continuously updated based on students’ feedback and advances on topics covered, the point of view of the students and alumni on the program as a whole has not been done. This study aimed to determine 1) self-reported current positions and affiliations, work areas where clinical epidemiology (CE) training is useful, and skills gained from CE training; 2) research studies completed and deemed by respondents to have considerable impact; and 3) strengths, weaknesses, and areas of improvement of the DCE graduate programs.
METHODSThis is an online survey of students and alumni of the DCE graduate programs. We sent email invites to all 287 students and alumni. We collected data on their profession, institutional affiliations, positions, skills gained from their training, areas of clinical epidemiology applications, important research involvement, reasons for recommending or not recommending the programs, and how the graduate programs can be improved. Responses were summarized by frequencies and percentages. An analyst performed qualitative content analysis (QCA) to generate strengths and weaknesses of the program. We validated the results of the QCA through 1) presentation to the research team, 2) sending the survey report to study participants and other students and alumni for feedback, and 3) presentation to the DCE faculty and staff.
RESULTSWe received 159 responses (55.4% of the total study population)—145 (91.2%) were from the MSc program and 11 (6.9%) were from the Diploma program. Majority of the respondents were physicians (93.7%), had hospital affiliations (81.8%), and were affiliated with the academe (61%). Majority of the respondents used clinical epidemiology in their research endeavors (87.4%), clinical practice (85.5%), and teaching (78%). Majority (93.1%) would recommend the program they have taken. Eleven (6.9%) respondents were hesitant due to the possible mismatch with the students’ career path, challenging thesis work, and potential conflicting personal responsibilities. Several strengths of the programs were identified, including excellent and well-implemented programs, supportive faculty and staff, and relevant course work. While completing the course work had not been a problem in general, the main challenge encountered by students is the completion of their thesis, leading to a low graduation rate in the Master of Science program. Suggestions to improve the Master of Science and Diploma programs include 1) Improvement in program implementation, including thesis policies and support, smoother transition from Diploma to MSc Program and vice-versa, and implementation of a blended learning platform; 2) Curricular improvements such as wider choices for electives and tracking towards specialty areas; 3) Innovations in conduct of courses; and 4) Personnel and infrastructure development.
CONCLUSIONThis survey reiterated the importance of clinical epidemiology graduate programs in research capacity building of health care professionals. Students and alumni occupied diverse positions in academic, research, clinical, and pharmaceutical setting, and majority accomplished research studies with considerable impact. A major challenge leading to a low graduation rate in the Master of Science program is the completion of thesis work. The survey identified several initiatives towards continuous quality improvement of clinical epidemiology programs, including improvement of thesis policies and support, updating the curriculum content and materials, increasing allotment of hours for hands-on activities, exploring possibilities of offering electives in partnership with other institutions, offering a blended learning platform, maintaining an efficient administrative support for students, and continuing education for alumni. Strong institutional support for personnel and infrastructure development is essential for these initiatives to succeed.
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