Fig. 9From: The predictive value of the Singh index for the risk of InterTAN intramedullary fixation failure in elderly patients with intertrochanteric fracturesLag screw cutting-out was the main type of internal fixation failure in the three groups (P = 0.00). The incidence of lag screw cutting-out was highest in the Singh (I ~ II) group (P = 0.00)Back to article page