Table 2.
Antimicrobial susceptibility profiles of the most common gram-positive bacteria
| Antimicrobials | S. aureus | S. pneumoniae | S. pyogenes | Enterococcus spp | S. viridians | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| R n (%) |
S n (%) |
R n (%) |
S n (%) |
R n (%) |
S n (%) |
R n (%) |
S n (%) |
R n (%) |
S n (%) |
|
| AMP | 46 (86.8) | 7 (13.2) | 1 (50) | 1 (50) | 1 (100) | 0 (0) | 3 (50) | 3 (50) | 1 (100) | 0 (0) |
| A | 1 (100) | 0 (0) | c | c | a | a | c | c | a | a |
| FOX | 17 (32.7) | 33 (63.5) | c | c | c | c | c | c | c | c |
| SXT | 39 (66.1) | 19 (32.2) | 1 (100) | 0 (0) | c | c | c | c | c | c |
| CIP | 21 (52.5) | 18 (45) | c | c | c | c | 2 (100) | 0 (0) | c | c |
| CN | 51 (52.6) | 46 (46.9) | c | c | c | c | c | c | 1 (100) | 0 (0) |
| P | a | a | a | a | a | a | a | a | a | a |
| VAN | 13 (13.7) | 82 (86.3) | 0 (0) | 1 (100) | 0 (0) | 1 (100) | 1 (33.3) | 2 (66.7) | 0 (0) | 1 (100) |
| AMC | c | c | 1 (50) | 1 (50) | c | c | c | c | c | c |
| C | 28 (42.4) | 38 (57.6) | 1 (100) | 0 (0) | a | a | a | a | a | a |
| DA | 9 (19.1) | 38 (80.9) | a | a | a | a | c | c | a | a |
| E | c | c | a | a | 1 (100) | 0 (0) | 1 (50) | 1 (50) | 1 (100) | 0 (0) |
| N | 1 (16.7) | 5 (83.3) | c | c | c | c | 1 (100) | 0 (0) | c | c |
| CTX | c | c | a | a | a | a | c | c | a | a |
| IMP | c | c | a | a | a | a | c | c | a | a |
| CRO | c | c | a | a | a | a | c | c | a | a |
| TE | 12 (80) | 2 (13.3) | a | a | a | a | 0 (0) | 3 (100) | a | a |
| CXM | c | c | a | a | a | a | c | c | c | c |
| RIF | 3 (16.7) | 15 (83.3) | 0 (0) | 1 (100) | c | c | 1 (50) | 1 (50) | c | c |
| AZT | c | c | c | c | c | c | c | c | c | c |
R—Resistant, S—Sensitive, %—bacteria screened against a particular antimicrobial, a and c—antimicrobial not screened against the bacteria (due to c—CLSI guidelines or a—total absence or unavailability in the lab), AMP—Ampicillin, A—Azithromycin, FOX—Cefoxitin, CN—Gentamicin, IPM—Imipenem, CIP—Ciprofloxacin, CTX—Cefotaxime, AZT—Aztreonam, AMC—Amoxicillin-clavulanic acid, N—Nitrofurantoin, SXT—Cotrimoxazole, CXM—Cefuroxime, CRO—Ceftriaxone, C—Chloramphenicol, P—Penicillin, VAN—Vancomycin, DA—Clindamycin, E—Erythromycin, TE—Tetracycline, RIF—Rifampicin