Fig. 2

Cox regression Cumulative Hazard Ratio (CHR) curves in patients with proximal femoral fracture for each variable. A: CHR for all variable, B: CHR for Sex, C: CHR for each age category (1=60-70 Years, 2= 70-80, 3= >80), D: CHR for each AO fracture type, E: CHR based on surgical device, F: CHR based on time of admission to surgery (1= <48-hour, 2= 2–7-day, 3= >1 week), G: CHR for ASA score (1 = score 1 and 2, 3 = score 3,4)