Table 5 Susceptibility of gram-positive bacterial species to selected antimicrobial agents
From: Aerobic bacteria associated with chronic suppurative otitis media in Angola
Antimicrobial agent | Susceptibility1 | S. pneumoniae | S. pyogenes | S. aureus | |||
|---|---|---|---|---|---|---|---|
(N = 32) | (N = 9) | (N = 13) | |||||
N | (%) | N | (%) | N | (%) | ||
Benzylpenicillin | S | 15 | (46.9) | 9 | (100) | ||
R | 17 | (53.1) | |||||
Cefoxitin2 | S | 6 | (46.2) | ||||
R | 7 | (53.8) | |||||
Norfloxacin3 | S | 32 | (100) | 9 | (69.2) | ||
R | 4 | (30.8) | |||||
Tobramycin | S | 4 | (30.8) | ||||
R | 9 | (69.2) | |||||
Erythromycin | S | 32 | (100) | 9 | (100) | 12 | (92.3) |
R | 1 | (7.7) | |||||
Clindamycin | S | 32 | (100) | 9 | (100) | 11 | (84.6) |
I | 1 | (7.7) | |||||
R | 1 | (7.7) | |||||
Tetracycline | S | 24 | (75) | 3 | (33.3) | ||
I | 1 | (3.1) | |||||
R | 7 | (21.9) | 6 | (66.7) | |||
Fusidic acid | S | 13 | (100) | ||||
Rifampicin | S | 27 | (84.4) | ||||
R | 5 | (15.6) | |||||
Trimethoprim-sulfamethoxazole | S | 6 | (18.8) | 13 | (100) | ||
I | 1 | (3.1) | |||||
R | 25 | (78.1) | |||||