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Using national discharge and medical claims data, we studied the epidemiology of femoral fractures from 1996 to 2006. The annual hip fracture incidence declined from 600/100,000 to 400/100,000, without decline in the more rare femur fractures. Incidence rates for subtrochanteric and femoral shaft fractures were each below 20 per 100,000.

This study’s purpose is to describe the site-specific epidemiology of femur fractures among people aged 50 and older.

Using the National Hospital Discharge Survey from 1996 to 2006 and a large medical claims database (MarketScan®), we studied epidemiology of all femur fractures. Hip fractures were grouped together; subtrochanteric, shaft, and distal femur fractures were kept separate.

In females, the …