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Long-term mortality after osteoporotic hip fracture in Chiang Mai, Thailand
Tanawat Vaseenon1, Sirichai Luevitoonvechkij1, Prasit Wongtriratanachai1
1Department of Orthopaedics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
Insights
Osteoporotic hip fractures lead to high mortality, with 68% dying within 10 years. Male gender, older age, and nonoperative treatment significantly increase mortality risk after fracture.
Area of Science:
- Gerontology
- Orthopedic Surgery
- Public Health
Background:
- Osteoporotic hip fractures represent a significant health burden, particularly in aging populations.
- High mortality rates following hip fractures necessitate investigation into associated risk factors and long-term outcomes.
Purpose of the Study:
- To investigate the 10-year mortality rate and associated factors in patients who sustained an osteoporotic hip fracture.
- To compare mortality risks in hip fracture patients to the age-adjusted general population.
Main Methods:
- Prospective cohort study conducted at Chiang Mai University Hospital (1998-2003).
- Inclusion criteria: age >50 years, hip fracture from simple fall, Singh index ≤3.
- Mortality assessed at multiple time points up to 10 years post-fracture.
Main Results:
- Ten-year mortality reached 68%, with a median survival time of 6 years.
- One-year mortality was 31% for males and 16% for females.
- Factors associated with increased mortality included male gender, age >70 years, and nonoperative treatment.
Conclusions:
- Mortality following osteoporotic hip fracture in Thai patients is extremely high, particularly within the first year.
- Hip fracture mortality is approximately 8 times higher than in the age-adjusted general population.
- Identifying and addressing risk factors is crucial for improving outcomes in osteoporotic hip fracture patients.
Abstract:
The purpose of the study was to investigate 10-yr mortality and associated factors after osteoporotic hip fracture. A prospective cohort study of mortality and associated factors was carried out in patients who sustained hip fracture and were admitted to Chiang Mai University Hospital from 1998 through 2003. Eligibility criteria were defined as age over 50yr, hip fracture caused by simple fall, and Singh index of 3 or less.Mortality rates at 3, 6, 12, 24, 36, 60, 96, and 120mo were 10%, 14%, 18%, 27%, 32%, 45%, 55%, and 68%, respectively. One-year mortality rates were 31% in males and 16% in females. The median survival time was 6yr. Ten-year mortality was 68%. Factors correlated with higher mortality were male gender, age greater than 70yr, and nonoperative treatment. Mortality after osteoporotic hip fracture in Thais was extremely high, especially in the first year. It was about 8 times higher than that in the age-adjusted general population.
