High prevalence and correlates of osteoporosis in men aged 50  years and over: A nationwide osteoporosis survey in Taiwan.

The associated factors for male osteoporosis are aging, lower body weight, and a history of fracture; the BMDs at FN and hip (total), but not L1-4, are inversely correlated with age. We recommend that BMD at the proximal femur be the preferred site to evaluate osteoporosis for elderly male subjects.