Table 1 Antimicrobial susceptibility patterns of S. aureus strains to different antimicrobial agents
Classes of ATB | Antibiotics | Sensitive N (%) | Intermediate N (%) | Resistant N (%) |
|---|---|---|---|---|
Penicillines | Penicillin G | Â | 1 (1.0) | 104 (99.0) |
Amoxicillin + Clavulanic acid | 81 (77.1) |  | 24 (22.9) | |
Oxacillin | 49 (46.7) | Â | 56 (53.3) | |
Macrolides | Erythromycin | 38 (36.2) | 4 (3.8) | 63 (60.0) |
Azithromycin | 38 (36.2) | 4 (3.8) | 63 (60.0) | |
2nd and 3rd generation of Cephalosporins | Cefazolin | 78 (74.3) | 10 (9.5) | 17 (16.2) |
Cefixim | 11 (10.5) | 5 (4.8) | 89 (84.8) | |
Cefoxitin | 49 (46.7) | Â | 56 (53.3) | |
Ceftriaxone | 37 (35.2) | 39 (37.1) | 29 (27.6) | |
Ceftazidime | 6 (5.7) | 12 (11.4) | 87 (82.9) | |
Quinolones | Ciprofloxacin | 47 (44.8) | 5 (4.8) | 53 (50.5) |
Sulfonamides | Cotri-moxazole | 60 (57.1) | 9 (8.6) | 36 (34.3) |
Aminoglycosides | Gentamicin | 83 (79.0) | 5 (4.8) | 17 (16.2) |
Tobramycin | 71 (67.6) | Â | 34 (32.4) | |
Tetracycline | Doxycycline | 81 (77.1) | 10 (9.5) | 14 (13.3) |
Carbapenems | Imipenem | 94 (89.5) | 1 (1.0) | 10 (9.5) |
Lincosamides | Clindamycin | 96 (91.4) | 4 (3.8) | 5 (4.8) |
Polypeptides | Vancomycin | 105 (100.0) | Â | Â |
Divers | Rifampicin | 100 (95.2) | Â | 5 (4.8) |
Chloramphenicol | 68 (64.8) | 30 (28.6) | 7 (6.7) |