Table 3.
Relationship between amputation and gangrene, ischemia, foot infection, and site of admission.
| Variable | Amputation |
χ2 | p-value | |
|---|---|---|---|---|
| No No. (%) | Yes No. (%) | |||
| Dry gangrene | 7.79 | 0.005* | ||
| No | 46 (18.6) | 201 (81.4) | ||
| Yes | 8 (7.2) | 103 (92.8) | ||
| Wet gangrene | 12.96 | <0.001* | ||
| No | 51 (19) | 217 (81) | ||
| Yes | 3 (3.3) | 87 (96.7) | ||
| Gas gangrene | 0.77 | 0.379 | ||
| No | 51 (15.6) | 276 (84.4) | ||
| Yes | 3 (9.6) | 28 (90.3) | ||
| Site of admission | 26.68 | <0.001* | ||
| ER | 36 (12.2) | 260 (87.8) | ||
| Not applicable | 5 (83.3) | 1 (16.7) | ||
| Outpatient | 13 (23.2) | 43 (76.8) | ||
| Cause of amputation | 72.92 | <0.001* | ||
| Critical ischemia | 0 (0.0) | 24 (100) | ||
| Infection | 3 (1.7) | 177 (98.3) | ||
| Not applicable | 49 (35) | 91 (65) | ||
| Trauma | 2 (14.3) | 12 (85.7) | ||
ER: emergency room.