Tetracycline treated (n = 143) | Azithromycin treated (n = 194) | Untreated (n = 107) | |
---|---|---|---|
*All azithromycin resistant isolates were also resistant to tetracycline. | |||
MIC standard values for resistance (as per NCCLS) shown in parentheses. | |||
S pneumoniae carriage, (%) | 126 (88%) | 163 (84%) | 91 (85%) |
Antibiotic resistant S pneumoniae (% of isolates showing resistance) | |||
Tetracycline (⩾8 μg/ml) | 39 (31%) | 28 (17%) | 15 (16%) |
Azithromycin* (⩾2 μg/ml) | 0 (0%) | 5 (3%) | 0 (0%) |
Trimethoprim-sulfamethoxazole (⩾4 & 76 μg/ml) | 36 (29%) | 39 (24%) | 25 (27%) |
Penicillin (⩾2 μg/ml) | 0 (0%) | 0 (0%) | 0 (0%) |