Prevalence of osteoporosis and its association with serum vitamin D level in older people in Amirkola, North of Iran.

Background: Ageing of population worldwide will be responsible for a major increase of the incidence of osteoporosis in elderly. For the individual, osteoporotic fractures result in great disability as well as loss of quality of life and also represent an enormous burden for healthcare systems. This study was conducted to determine the prevalence of osteoporosis and its association with serum vitamin D level in elderly people in Amirkola, North of Iran.