Patient characteristics stratified by the type of surgeon performing the amputation
| Characteristic | Type of surgeon; no. (%) of patients* | ||||
|---|---|---|---|---|---|
| VS | OS | GS | Other | Total | |
| Age, mean ± SD, yr | 68 ± 12 | 66 ± 14 | 69 ± 12 | 66 ± 14 | 67 ± 13 |
| Male sex, % | 68 | 69 | 67 | 64 | 68 |
| Diabetes | 1840 (98) | 1843 (92) | 1305 (98) | 127 (95) | 5115 (96) |
| Hypertension | 683 (36) | 675 (34) | 364 (27) | 50 (37) | 1772 (33) |
| Ischemic heart disease | 346 (18) | 330 (17) | 243 (18) | 32 (24) | 951 (18) |
| Congestive heart failure | 184 (10) | 190 (10) | 140 (10) | 15 (11) | 529 (10) |
| Hyperlipidemia | 90 (5) | 116 (6) | 47 (4) | 4 (3) | 257 (5) |
| Teaching hospital | 1263 (67) | 838 (42) | 259 (19) | 44 (33) | 2404 (45) |
| Type of amputation | |||||
| Above-knee | 663 (35) | 386 (19) | 454 (34) | 37 (28) | 1540 (29) |
| Below-knee | 1083 (58) | 1544 (77) | 785 (59) | 62 (46) | 3474 (65) |
| Ankle | 34 (2) | 2 (0.1) | 17 (1) | 3 (2) | 56 (1) |
| Foot | 78 (4) | 48 (2) | 62 (5) | 25 (19) | 213 (4) |
| Toe | 21 (1) | 13 (1) | 17 (1) | 7 (5) | 58 (1) |
GS = general surgeon; OS = orthopedic surgeon; SD = standard deviation; VS = vascular surgeon.
↵* Unless indicated otherwise.