Table 3 Distribution of β-lactamase production alone or in combination in positive isolates.
Group | β-lactamase positive | ESBL | MBL | AmpC | ESBL + MBL | ESBL + AmpC | MBL + AmpC | ESBL + MBL + AmpC |
|---|---|---|---|---|---|---|---|---|
1 (n = 40) | 33 | 27 (67.5) | 20 (50) | 13 (32.5) | 1 (2.5) | 10 (25) | 6 (15) | 2 (5) |
2 (n = 40) | 31 | 27 (67.5) | 13 (32.5) | 7 (17.5) | 6 (15) | 3 (7.5) | 2 (5) | 1 (2.5) |
3 (n = 40) | 35 | 22 (55) | 10 (25) | 9 (22.5) | 5 (12.5) | 7 (17.5) | 2 (5) | 1 (2.5) |
Total | 99 | 76 (63.3) | 43 (35.83) | 29 (24.16) | 12 (10) | 20 (16.66) | 10 (8.33) | 4 (3.33) |
