| Unadjusted | Adjusted | ||||||
---|---|---|---|---|---|---|---|---|
 |  | 95% CI for HR |  |  | 95% CI for HR |  | ||
 | HR | Lower | Upper | P -value | HR | Lower | Upper | P -value |
Colonization | 1.00 | Â | Â | Â | 1.00 | Â | Â | Â |
Putative IA | 2.18 | 1.68 | 2.83 | < 0.001 | 1.18 | 0.93 | 1.81 | 0.16 |
Proven IA | 3.12 | 2.30 | 4.24 | < 0.001 | 1.51 | 1.00 | 2.26 | 0.05 |