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Prevalence of Ambler classes A, C, and D β-lactamases among fifty-eight clinical isolates of P. aeruginosa.
| Class | Type of β-lactamases | Number (%) of isolates |
|---|---|---|
| Class A | blaTEM | 58 (100%) |
| Class D | OXA group I (OXA-1) | 52 (89.7%) |
| OXA group III (OXA-10) | 16 (27.6%) | |
| Class C | blaAmpC | 55 (94.8%) |
| Combined | blaTEM, OXA-1, OXA-10, blaAmpC | 15 (25.9%) |
| blaTEM, OXA-1, blaAmpC | 34 (58.6%) | |
| blaTEM, blaAmpC | 5 (8.6%) | |
| blaTEM, OXA-10, blaAmpC | 1 (1.7%) | |
| OXA-1, blaAmpC | 3 (5.2%) |
