Table 1.
Prevalence and distribution of AmpC producing Gram negative clinical isolates.
| Organism | Total No. of organisms isolated | Isolates susceptible to 3GC | Inducible AmpC | Isolates resistant to 3GC | Plasmid-mediated AmpC | Positive | Negative | Positive | Negative | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| E.coli | 65 | 22 (33.8) | - | 22 (100) | 43(66.1) | 11(25.5) | 32(74.4) | ||||
| Klebsiella | 38 | 15 (39.4) | - | 15(100) | 23(60.5) | 9(39.1) | 14(60.8) | ||||
| Acinetobacter | 12 | 3 (25) | - | 3 (100) | 9(75) | 6(66.6) | 3(33.3) | ||||
| Pseudomonas | 48 | 21(43.7) | 9(42.8) | 12(57.1) | 27(56.25) | 15(55.5) | 12(44.4) | ||||
| Enterobacter | 26 | 12 (46.1) | 5(41.6) | 7(58.3) | 14(53.8) | 9(64.2) | 5(35.7) | ||||
| Citrobacter | 10 | 4 (40) | 1(25) | 3(75) | 6(60) | 4 (66.6) | 2(33.3) | ||||
| Proteus | 31 | 19 (61.2) | 6(31.5) | 13(68.4) | 12(38.7) | 9(75) | 3 (25) | ||||
| Morganella | 4 | 4 (100) | 1(25) | 3(75) | - | - | - | ||||
| Providencia | 1 | 1 (100) | 1 (100) | - | - | - | - | ||||