Table 2.
Distribution of -lactamase genes.
| β-lactamase | Genes | Group1 (n = 40) | Group-2 (n = 40) | Group-3 (n = 40) | p- value |
|---|---|---|---|---|---|
| ESBL | TEM | 19 (47.5) | 14 (35) | 16 (40) | 0.519 |
| SHV | 14 (35) | 14 (35) | 11 (27.5) | 0.710 | |
| CTX-M | 7 (17.5) | 8 (20) | 8 (20) | 0.947 | |
| OXA | 9 (22.5) | 7 (17.5) | 7 (17.5) | 0.806 | |
| MBL | NDM-1 | 11 (27.5) | 5 (12.5) | 6 (15) | 0.178 |
| IMP | 12 (32.5) | 5 (12.5) | 6 (15) | 0.098 | |
| VIM | 8 (20) | 7 (17.5) | 7 (17.5) | 0.945 | |
| AmpC | ACT | 6 (15) | 8 (20) | 6 (15) | 0.786 |
| DHA | 4 (10) | 2 (5) | 3 (7.5) | 0.697 | |
| CMY | 11 (27.5) | 4 (10) | 3 (7.5) | 0.024* |
*Statistically significant; Gene frequencies are presented as absolute numbers with percentage in parentheses.