Osteoporosis is a common musculoskeletal disease in elderly populations that increases the risk and frequency of low-trauma fractures 1). Among osteoporotic fractures (e.g., spine, hip, wrist, and humerus), hip fractures are the most serious cause of morbidity, disability, mortality, and increased economic burden in elderly patients 2,3). Although the age-adjusted incidence rate of hip fractures is reportedly steady or declining in many countries, the total number of hip fractures is increasing due to the increase in elderly populations 4-6). According to the national age-specific mortality and life expectancy in 35 industrialized countries with high-qual