Fig. 3From: Epidemiology, treatment and mortality of trochanteric and subtrochanteric hip fractures: data from the Swedish fracture registerFracture groups as presented in the SFR. According to AO/OTA classification of trochanteric and subtrochanteric femoral fractures. The use of the figure in this study has been approved by the SFR: 31-A1 Simple trochanteric fractures. 31-A2 Multifragmented trochanteric fractures. 31-A3 Trochanteric reverse oblique and subtrochanteric fractures.Back to article page