| Independent variables | Adjusted OR | CI 95% OR | P-value | |
| AmpC-Production |
| |||
|
| No | 1 | Ref |
|
|
| Yes | 8.86 | [1.67; 17.92] | 0.02 |
| Microorganism |
| |||
|
| Citrobacter freundii | 1 | Ref |
|
| Escherichia coli | 0.2 | [0.03; 1.31] | 0.09 | |
| Klebsiella spp | 4.87 | [1.07; 22.11] | 0.04 | |
| ESBL-Production | ||||
|
| No | 1 | Ref |
|
| Yes | 0.96 | [0.19; 2.55] | 0.58 | |