Table 3B.
Multivariate analysis of the association between the use of antibiotics and overall survival
| Variable | p value | HR (95% CI) |
|---|---|---|
| Antibiotics, yes vs. no | .033 | 1.473 (1.038–2.107) |
| Comorbidy, yes vs. no | .017 | 1.542 (1.082–2.198) |
| On trial, yes vs. no | .002 | 0.549 (0.378–0.797) |
| Number of metastatic sites | ||
| 2 vs. 0/1 | .771 | 1.088 (0.616–1.924) |
| 3+ vs. 0/1 | .006 | 2.181 (1.247–3.816) |
| ECOG performance status | ||
| 1 vs. 0 | .006 | 1.864 (1.277–2.722) |
| 2+ vs. 0 | <.001 | 3.272 (1.973–5.427) |
Abbreviations: CI, confidence interval; ECOG, Eastern Cooperative Oncology Group; HR, hazard ratio.