Table 2.
Multivariate analysis of treatment failure predictors *,**
| P value | Adjusted risk ratio | 95% confidence interval | |
|---|---|---|---|
| gender | 0.123 | 0.103 | 0.006–1.84 |
| age | 0.782 | 0.967 | 0.766–1.22 |
| time of post-arthroplasty infection (days) | 0.108 | 1.19 | 0.962–1.47 |
| joint (knee or hip) | 0.753 | 1.461 | 0.137–15.52 |
| diabetes | 0.905 | 1.248 45.101 | 0.033–15.52 |
| rheumatic disease | 0.04 | 45.101 | 1.18–1723.14c2.641–1296.90 1.039–2402 |
| multidrug-sensitive bacteria | 0.034 | – | – |
| methicillin-resistant Staphylococcus aureus | 0.01 | 58.527 | 2.641–1296.90 |
| other multidrug-resistant bacteria | 0.048 | 49.967 | 1.039–2402 |
| constant | 0.999 | 0 | – |
*Multivariate logistic regression was performed to investigate the effects of gender, joint affected, diabetes, smoking, inflammatory disease and type of bacteria in the outcome for treatment failure
**Bold values represent statistical significance (p < 0.05)