| All (N = 422) | Middle-aged (N = 175) | Elderly (N = 247) | P |
---|---|---|---|---|
Primary outcome, n (%) | ||||
 Desired outcome | 278 (65.9%) | 130 (74.3%) | 148 (59.9%) | 0.002 |
Secondary outcome, n (%) | ||||
 All-Amputation | 71 (16.8%) | 26 (14.9%) | 45 (18.2%) | 0.363 |
  Major-amputation | 15 (3.5) | 1 (0.6) | 14 (5.7) | 0.005 |
  Minor-amputation | 56 (13.3) | 25 (14.3) | 41 (12.6) | 0.353 |
 All-cause mortality | 67 (15.9%) | 19 (10.9%) | 48 (19.4%) | 0.018 |