Table 2. Results of Positive AmpC by Different Tests .
Organism | AmpC Tests | ||||
---|---|---|---|---|---|
Phenotypic Tests | Multiplex PCR, No. (%) | ||||
Combined Disc | DDST Boronic, No. (%) | DDST Cloxacillin, No. (%) | Induction Double Disc, No. (%) | ||
Pseudomonas sp. | 27/33 (81.8) | 24/35 (68.5) | 26/35 (74.2) | 20/35 (57.1) | 6/35 (17.1) |
Klebsiella sp. | 5/10 (50) | 6/18 (33.3) | 5/18 (27.7) | 1/18 (5.5) | 7/18 (38.9) |
E. coli | 1/1 (100) | 3/3 (100) | 3/3 (100) | 0/3 (0.0) | 2/3 (66.7) |
Enterobacter sp. | 2/3 (66.6) | 2/3 (66.7) | 1/3 (33.3) | 0/3 (0.0) | 1/3 (33.3) |
Acinetobacter sp. | 1/3 (33.3) | 0/3 (0.0) | 0/3 (0.0) | 1/3 (33.3) | 0 (0.0) |
Total | 36/50 (72.0) | 35/62 (56.5) | 35/62 (56.5) | 22/62 (35.5) | 16/62 (25.8) |