Fig. 3From: The predictive value of the Singh index for the risk of InterTAN intramedullary fixation failure in elderly patients with intertrochanteric fracturesa Measurement method for lateral wall thickness. The length of AB is the thickness of the lateral wall. b The distance from the tip of the lag screw to the top of the femoral head was measured in the anteroposterior (AP) view. c The distance from the tip of the lag screw to the top of the femoral head was measured in the lateral (Lat) viewBack to article page