Table 2:
Univariate analysis of factors influencing short- and long-term mortality
| Variable | All, N = 93 | 30-day mortality | P- value | 1-year mortality | P-value |
|---|---|---|---|---|---|
| Age 43–76 years | 47 | 9 (19) | 0.020 | 20 (43) | 0.028 |
| Age 77–93 years | 46 | 19 (41) | 30 (65) | ||
| Women | 38 | 12 (32) | 0.797 | 22 (58) | 0.507 |
| Men | 55 | 16 (29) | 28 (51) | ||
| Admitted from own home | 72 | 17 (24) | 0.011 | 37 (51) | 0.395 |
| Admitted from nursery home | 21 | 11 (52) | 13 (62) | ||
| No previous amputation contra lateral limb | 75 | 22 (29) | 0.740 | 41 (55) | 0.721 |
| Previous amputation contra lateral limb | 18 | 6 (33) | 9 (50) | ||
| Indications for amputation | |||||
| Vascular disease | 48 | 11 (23) | 0.145 | 26 (54) | 0.435 |
| Diabetes mellitus (DM) | 17 | 5 (29) | 9 (53) | ||
| Vascular disease + DM | 22 | 8 (36) | 10 (46) | ||
| Emboli | 6 | 4 (67) | 5 (83) | ||
| 0–1 co-morbidities | 16 | 2 (13) | 0.044 | 5 (31) | 0.067 |
| 2–3 co-morbidities | 57 | 16 (28) | 31 (54) | ||
| 4–5 co-morbidities | 20 | 10 (50) | 14 (70) | ||
| ASA score = 2 | 24 | 8 (21) | 0.006 | 9 (38) | 0.032 |
| ASA score = 3 | 58 | 15 (26) | 31 (53) | ||
| ASA score = 4 | 8 | 5 (63) | 7 (88) | ||
| ASA score = 5 | 3 | 3 (100) | 3 (100) | ||
| Amputation level | |||||
| Foot/toe | 15 | 3 (20) | 0.521 | 6 (40) | 0.655 |
| Trans tibial | 31 | 9 (29) | 18 (58) | ||
| Through the knee | 8 | 4 (50) | 5 (63) | ||
| Trans femoral | 39 | 12 (31) | 21 (54) | ||
Categorical variables evaluated with chi square analysis. Data are presented as number (percentage).