Korean J Bone Metab > Volume 8(2); 2001 > Article
Korean Journal of Bone Metabolism 2001;8(2):159-171.
Estimation of Incidence Rate of Osteoporotic Fracture Among the Elderly in a City
일도시 노인 인구의 골다공증성 골절 발생률 추정
호남병원 정형외과, 전남대학교 의과대학 예방의학교실 및 의과학연구소1
This study was conducted to estimate incidence rate of osteoporotic fracture among the elderly in a city with 1.2 million inhabitants, Korea.
The presumptive fracture cases (diagnosis codes; M80, M84.4, M90.7, S12, S22, S32, S42, S52, S72, S82) were selected from medical utilization database of the National Health Insurance Corporation from January to December 1999. Each case has been confirmed as having a fracture through a medical record review. All fracture sites were included but the fracture cases by traffic accidents were excluded. Direct standardization method was used to estimate age-standardized incidence rate.
Total 326 fracture cases occurred. Age-standardized incidence rate of osteoporotic fracture among the elderly was estimated to be 1,162 (95% confidential interval: 1096~1231) per 100,000 persons. Age-standardized incidence rates of fracture of distal radius, hip joint, and thoracic and lumbar spine were 425 (95% confidential interval: 386~467), 231 (95% confidential interval: 202~263), and 160 (95% confidential interval: 136~187) per 100,000 persons, respectively. Direct causes of the fractures were 'slip down' (78.7%), 'unknown' (11.3%), 'fall' (8.0%), and 'spontaneous' (1.8%) in turn. Treatment methods of the fractures were nonoperative method (65.7%), operative method (25.5%), and observation (8.8%) by turn. The proportion of people who had past history of osteoporosis was 33.5%, and among them the proportion of people who took care of it was 53.0%.
These incidence rates of fractures were estimated cross-sectionally by using only one year data. To have more accurate trend and estimate of incidence rate of osteoporotic fracture in the elderly, further studies need to be conducted.
Key Words: Osteoporotic fracture, Incidence rate


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