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Resistance profilesa of staphylococcal isolates (n = 850) from eyes and other clinical sources in health and disease |
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| Antimicrobial Agent (n = 18)b |
Percentage of Resistancec Displayed by |
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| 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 (%) |
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| 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) |
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aIn accordance to Performance Standards for Antimicrobial Disk Susceptibility Tests, NCCLS (1998, 1999, 2000, 2002). bAtleast one antimicrobial agent assayed from a particular class of antibiotics. cThe intermediate resistant category was included in sensitive category. d(trimethoprim/sulphamethoxazole). eMethicillin resistance was confirmed by Oxacillin Salt-agar screening – plate procedure | ||||||
Dar et al. Annals of Clinical Microbiology and Antimicrobials 2006 5:22 doi:10.1186/1476-0711-5-22 |
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