Table 1.
Patient demographics
| Demographics | Overall | Amputation | Reconstruction | P value |
|---|---|---|---|---|
| Participants | 176 | 41 | 135 | |
| Male | 137 | 34 (83%) | 103 (76%) | 0.52 |
| Age at time of surgery (years) | 43±16 | 42±16 | 43±16 | 0.23 |
| Age at time of study (years) | 53±15 | 55±15 | 52±16 | 0.76 |
| Hospital | <0.001 | |||
| Erasmus Medical Center | 105 | 11 | 94 | |
| University Medical Center Utrecht | 71 | 30 | 41 | |
| Days admitted to hospital | 35±25 | 38±25 | 35±25 | 0.42 |
| Tobacco use | ||||
| No | 102 (58%) | 16 (39%) | 86 (64%) | <0.001 |
| Yes | 49 (28%) | 10 (25%) | 29 (29%) | |
| Unknown | 25 (14%) | 15 (37%) | 10 (7%) | |
| Cardiovascular history | 19 (11%) | 11 (27%) | 8 (6%) | 0.001 |
| Gustilo | 0.32 | |||
| Closed, grade 1 or 2 | 23 (13%) | 6 (15%) | 17 (13%) | |
| 3a | 23 (13%) | 5 (12%) | 18 (13%) | |
| 3b | 55 (31%) | 8 (20%) | 47 (35%) | |
| 3c | 11 (6%) | 4 (10%) | 7 (5%) | |
| Unknown | 64 (36%) | 18 (44%) | 46 (34%) | |
| Trauma location | 0.45 | |||
| Foot or ankle | 56 (32%) | 15 (37%) | 41 (30%) | |
| Cruris or knee | 120 (68%) | 26 (63%) | 94 (70%) | |
| Amputation level | ||||
| Through-knee | 7 (17%) | 7 (17%) | - | |
| Trans-tibial | 24 (59%) | 24 (59%) | - | |
| Distal: ankle or foot | 10 (24%) | 10 (24%) | - | |
| SF-36 Mental Component Scale | 46±12 | 47±12 | 46±12 | 0.69 |
| LEFS | 47±17 | 42±18 | 48±17 | 0.10 |
| SF-36 Physical Component Scale | 41±12 | 40±12 | 42±12 | 0.31 |
Continuous variables as mean (±standard deviation); discrete variables as number (percentage). Bold indicates statistically significant difference
SF-36 Short-Form 36 (quality of life), LEFS Lower Extremity Functional Scale