Table 3.
Dichotomous variables as independent predictors of mortality in patients with spondylodiscitis. Logistic regression with “Enter” method.
| 95% CI | ||||
|---|---|---|---|---|
| Odds Ratio | Lower | Upper | p-Value | |
| Age | ||||
| >72.5 | 3.86 | 1.72 | 8.67 | 0.001 |
| ≤72.5 | 1 | |||
| Rheumatoid arthritis | ||||
| yes | 9.37 | 2.63 | 33.35 | 0.001 |
| no | 1 | |||
| S. aureus infection | ||||
| yes | 2.27 | 1.0 | 5.16 | 0.051 |
| no | 1 | |||
| Creatinine | ||||
| >1.29 | 4.35 | 1.95 | 9.68 | <0.001 |
| ≤1.29 | 1 | |||
| CRP | ||||
| >140.5 | 4.07 | 1.83 | 9.02 | 0.001 |
| ≤140.5 | 1 | |||
CI = confidence interval; S. = Staphylococcus; CRP = C-reactive protein; Cox and Snell R2 = 0.210; Nagelkerkes R2 = 0.356; correctly classified 85.9%.