Table 1 Resistance profilesa of staphylococcal isolates (n = 850) from eyes and other clinical sources in health and disease
Antimicrobial Agent (n = 18)b | Percentage of Resistancec Displayed by | |||||
|---|---|---|---|---|---|---|
| Â | S. aureus n = 513 (%) | Clinical S. arueus n = 338(%) | Carrier S. arueus n = 175 (%) | Coagulase-negative Staphylococci (CNS) n = 337 (%) | Clinical CNS n = 237 (%) | Carrier CNS n = 100 (%) |
Amikacin | 65 (12.7) | 47 (13.9) | 18 (10.3) | 27 (8.0) | 27 (11.4) | 0 (0.0) |
Ampicillin | 413 (80.5) | 275 (81.4) | 138 (78.8) | 241 (71.5) | 183 (77.2) | 58 (58.0) |
Cefazolin | 190 (37.0) | 131 (38.8) | 59 (33.7) | 80 (23.7) | 64 (27.0) | 16 (16.0) |
Cephalexin | 237 (46.2) | 165 (48.8) | 72 (41.1) | 86 (25.5) | 68 (28.7) | 18 (18.0) |
Cephotaxime | 207 (40.3) | 145 (42.9) | 62 (35.4) | 78 (23.2) | 68 (28.7) | 16 (16.0) |
Chloramphenicol | 22 (4.3) | 16 (4.7) | 6 (3.4) | 17 (5.0) | 12 (5.1) | 5 (5.0) |
Ciprofloxacin | 103 (20.1) | 81 (24.0) | 22 (12.6) | 75 (22.2) | 56 (23.6) | 19 (19.0) |
Clindamycin | 79 (15.4) | 60 (17.7) | 19 (10.9) | 71 (21.1) | 56 (23.6) | 15 (15.0) |
Co-trimoxazoled | 256 (50.0) | 175 (51.8) | 81 (46.3) | 136 (40.3) | 104 (43.9) | 32 (32.0) |
Fusidic acid | 18 (3.5) | 14 (4.1) | 4 (2.3) | 12 (3.6) | 8 (3.4) | 4 (4.0) |
Gentamicin | 172 (33.5) | 122 (36.1) | 50 (28.6) | 90 (26.7) | 72 (30.4) | 18 (18.0) |
Imipenem | 136 (26.5) | 97 (28.7) | 39 (23.3) | 68 (20.2) | 54 (22.8) | 14 (14.0) |
Methicilline | 180 (35.1) | 128 (37.9) | 52 (29.7) | 76 (22.5) | 63 (26.6) | 13 (13.0) |
Penicillin G | 472 (92.0) | 313 (92.6) | 159 (90.9) | 303 (89.9) | 222 (93.7) | 81 (81.0) |
Rifampin | 97 (18.9) | 68 (20.1) | 29 (16.6) | 41 (12.2) | 33 (13.9) | 8 (8.0) |
Roxithromycin | 146 (24.6) | 103 (30.5) | 43 (24.6) | 53 (15.7) | 48 (20.2) | 8 (8.0) |
Tetracycline | 61 (11.9) | 43 (12.7) | 18 (10.3) | 24 (7.1) | 21 (8.9) | 3 (3.0) |
Vancomycin | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |