Table 2 Prevalence of antibiotic susceptibility to nine antimicrobials for 193 S. pneumoniae isolates from children
Antimicrobial | No. (%) of isolates | MIC (ug/mL) | ||||
|---|---|---|---|---|---|---|
Susceptible | Intermediate | Resistant | MIC50 | MIC90 | Range | |
Penicillin | 0.016–8.0 | |||||
Non-meningitis isolates | ||||||
Parenteral | 176 (91.2) | 15 (7.8) | 2 (1.0) | 1 | 2 | |
Oral | 22 (11.4) | 95 (49.2) | 76 (39.4) | 1 | 2 | |
Meningitis isolates | 22 (11.4) | 0 (0) | 171 (88.6) | 1 | 2 | |
Ceftriaxone | 0.016–6.0 | |||||
Non-meningitis isolates | 144 (74.6) | 39 (20.2) | 10 (5.2) | 0.75 | 2 | |
Meningitis isolates | 83 (43.0) | 61 (31.6) | 49 (25.4) | 0.75 | 2 | |
Erythromycin | 2 (1.0) | 3 (1.6) | 188 (97.4) | |||
Vancomycin | 193 (100) | 0(0) | 0(0) | |||
Levofloxacin | 191 (99) | 2 (1.0) | 0 (0) | |||
Tetracycline | 9 (4.7) | 12 (6.2) | 172 (89.1) | |||
Chloramphenicol | 168 (87.0) | 0 (0) | 25 (13) | |||
Sulfamethoxazole-trimethoprim | 14 (7.3) | 10 (5.2) | 169 (87.6) | |||
Clindamycin | 5 (2.6) | 1 (0.5) | 187 (96.9) | |||