Table 4.
Antimicrobial susceptibility patterns of isolated gram-positive bacteria.
| Antimicrobial tested | Susceptibility and resistance pattern of isolated Gram-positive bacteria N (%) | |||||||
|---|---|---|---|---|---|---|---|---|
| Classes | Antibiotics | S. aureus (N = 32) | Enterococcus spp (N = 4) | S. pyogenes (N = 2) | Viridian streptococcus spp (N = 3) | |||
| R | S | R | S | S | R | S | ||
| Penicillin | PEN | 32 (100) | 0 | 4 (100) | 0 | 2 (100) | 1 (33.3) | 2 (66.6) |
| OX | 26 (81.2) | 6 (18.7) | 4 (100) | 0 | 2 (100) | 1 (33.3) | 2 (66.6) | |
| Cephamycin | CXT | 26 (81) | 6 (19) | 4 (100) | 0 | 2 (100) | 1 (33.3) | 2 (66.6) |
| Aminoglycosides | GEN | 25 (78) | 7 (22) | 4 (100) | 0 | 2 (100) | 2 (66.6) | 1 (33.3) |
| Aminoglycosides | AMK | 6(18) | 26 (82) | 2 (100) | 2 (50) | – | 0 | 3 (100%) |
| Tetracycline | DO | 26 (81.3) | 6 (18.7) | 4 (100) | 0 | – | 2 (66.6) | 1 (33.3) |
| Quinolones | CPR | 16 (50) | 16 (50) | 3 (75) | 1 (25) | 2 (100) | 1 (33) | 2 (67) |
| Bacitracin | BC | 32 (100) | 0 | 4 (100) | 0 | 2 (100) | 3 (100) | 0 |
| Sulfonamides | SXT | 21 (87.5) | 3 (12.5) | 3 (75) | 1 (25) | 2 (100) | 0 | 3 (100) |
| Chloramphenicol | CHL | 0 | 32 (100) | 0 | 4(100) | 2 (100) | 0 | 3 (100) |
| Macrolides Lincosamides |
ER | 22 (68.8) | 10 (31.2) | 4 (100) | 0 | 2(100) | 0 | 3(100) |
| DA | 12 38) | 20 (62) | 3 (75) | 1 (25) | 2 (100) | 0 | 3 (100) | |
| Glycopeptide | VA | 12 (37) | 20 (63) | 2 (50) | 2 (50) | 2 (100) | 0 | 3 (100) |
| Total | 198 (56.6) | 152 (43.4) | 41 (78.8) | 11 (21.2) | 22 (100) | 11 (28.2) | 28 (71.8) | |
Keys: PEN, Penicillin; OX, Oxacillin; CXT, Cefoxitin; GEN, Gentamycin; AMK, Amikacin; DO, Doxycycline; CPR, Ciprofloxacin; BC, Bacitracin; SXT, TTrime; CHL, Chloramphenicol; ER, Erythromycin; DA, Clindamycin; VA, Vancomycin.