Table 4.
Multivariate analysis of risk factors in amputation stump wound infection: summary of logistic regression model
| Factor | B | S.E. | Wald statistics | df | Sig (p value) | Exp B (estimated odds ratio) |
|---|---|---|---|---|---|---|
| Haematocrit | 0.3604 | 0.8506 | 0.1795 | 1 | 0.6718 | 1.4339 |
| Aetiology | −0.0182 | 0.2054 | 0.0078 | 1 | 0.9295 | 0.9820 |
| Form of amputation | −2.0035 | 0.7679 | 6.8067 | 1 | 0.0091 | 0.1349 |
| Severity of amputation | 0.8450 | 1.0199 | 0.6865 | 1 | 0.4074 | 2.3280 |
| Limb involvement | 0.1289 | 0.9126 | 0.0199 | 1 | 0.8877 | 1.1375 |
| I-H admission interval | 0.0090 | 0.4805 | 0.0003 | 1 | 0.9851 | 0.9911 |
| I-D interval | −0.7053 | 0.5672 | 1.5460 | 1 | 0.2137 | 0.4940 |
| Constant | −0.5919 | 2.0245 | 0.0855 | 1 | 0.7700 |
I-H injury to hospital, I-D injury to first surgical debridement/amputation