Table 3.
Comparison Between Results of Both CARPA NP Test and Xpert™Carba-R Assay
| Carbapenemase Detected by Xpert™Carba-R Assay | Carba Test Positive Number (%) | Carba Test Negative Number (%) | Carba Test Equivocal Result Number (%) | X2 | P- value |
|---|---|---|---|---|---|
| OXA-48 (n.=40). | 23 (57.5) | 9 (22.5) | 8 (20) | 5.378 | 0.068 |
| NDM (n.=29) | 22 (75.9) | 3 (10.3) | 4 (13.8) | 0.969 | 0.616 |
| OXA 48 + NDM (n.=14) | 12 (85.7) | 1 (7.1) | 1 (7.1) | 1.951 | 0.377 |
| VIM (n.=3) | 2 (66.7) | 1 (33.3) | 0 (0.0) | 1.084 | 0.582 |
| IMP (n.=2) | 2 (100) | 0 (0.0) | 0 (0.0) | 0.877 | 0.645 |
| No genes (n.=2) | 0 (0.0) | 2 (100) | 0 (0.0) | 0.877 | 0.645 |
Abbreviations: OXA-48, Oxacillinase-48; NDM, New Delhi Metallo-beta-lactamase; VIM, Verona Integron-Encoded Metallo-beta-lactamase; IMP, Imipenemase.