TABLE 1.
Characteristics of the sample population
| Overall (N = 297) |
By Discharge Destination | |||
|---|---|---|---|---|
| IRF (n = 129) | SNF (n = 95) | Home (n = 73) | ||
| Distribution | 43.4% | 32.0% | 24.6% | |
| Age, mean (SD), yrs | 63.2 (13.3) | 62.0 (12.0)b | 67.4 (13.5)a | 60.1 (14.0) |
| Men, % | 59.3 | 61.2 | 54.7 | 61.6 |
| Race: non–African American, % | 72.7 | 76.0 | 72.6 | 67.1 |
| Family income, % | ||||
| Missing | 25.6 | 17.1a | 27.4 | 38.4 |
| <$20,000 | 38.7 | 40.3 | 44.2a | 28.8 |
| $20,000–$49,999 | 26.9 | 34.1b | 21.1 | 21.9 |
| >$50,000 | 8.8 | 8.5 | 7.4 | 11.0 |
| Insurance coverage | ||||
| Medicare | 71.0 | 72.0a | 78.1a | 62.6 |
| Medicaid | 8.3 | 9.9b | 4.1 | 8.4b |
| Other | 20.7 | 18.2a | 17.8a | 28.4 |
| Amputation level, % | ||||
| Foot (transmetatarsal or above) | 13.8 | 6.2a,b | 13.7a | 27.3 |
| Transfemoral (above-knee level) | 13.8 | 13.2 | 17.9 | 9.6 |
| Transtibial (below-knee level) | 45.8 | 55.0a | 49.5a | 24.7 |
| Bilateral | 26.6 | 25.6 | 18.9a | 38.4 |
| Any previous amputation, % | 20.5 | 20.2 | 15.8 | 27.4 |
| Comorbidities, mean (SD) | 5.4 (2.1) | 5.3 (2.0) | 5.6 (2.1) | 5.2 (2.2) |
| Perioperative complications, % | 7.4 | 4.7b | 12.6 | 5.5 |
| Location: Greater Baltimore, % | 51.2 | 36.4a,b | 65.3 | 58.9 |
| Preamputation health status, mean (SD) | ||||
| Physical function | 29.9 (13.6) | 28.7 (13.9) | 30.4 (13.8) | 31.3 (12.6) |
| Role physical | 32.8 (13.4) | 31.6 (12.8) | 32.9 (14.4) | 34.9 (12.9) |
| Vitality | 45.2 (10.7) | 44.9 (10.2) | 44.7 (11.6) | 46.5 (10.6) |
| General health | 40.2 (9.7) | 41.6 (9.5)b | 39.1 (9.2) | 39.1 (10.4) |
| Physical component summary score | 32.2 (10.1) | 31.8 (10.0) | 31.8 (10.3) | 33.4 (10.3) |
| Mental component summary score | 46.1 (13.0) | 45.5 (14.2) | 46.5 (12.9) | 46.5 (10.9) |
a
Significantly different from home at P < 0.05 level.
b
Significantly different from SNF at P < 0.05 level.