Predictors of infection. Survival analysis: length of time to infection compared with follow-up with no infection
| Variable | p value | OR | 95% CI |
|---|---|---|---|
| Upper pole grade III | 0.007 | 3.81 | 1.44–10.08 |
| Protrusio acetabuli | 0.004 | 5.42 | 1.71–16.59 |
| ESR | 0.015 | 1.02 | 1.004–1.03 |
| Alcoholism | < 0.001 | 4.60 | 1.99–10.63 |
| Units of blood transfused | 0.005 | 1.29 | 1.08–1.55 |
CI = confidence interval; ESR = erythrocyte sedimentation rate; OR = odds ratio.