Table 4 Susceptibility of pneumococcal isolates from meningitis and nonmeningitis cases against four antimicrobial agents.
Antimicrobial agents | The pneumococcal strains isolated from; No of strain (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Meningitis (n = 222) | Nonmeningitis (n = 1254) | |||||||||
Susceptible | Intermediate | Resistant | MIC50 (μg/mL) | MIC90 (μg/mL) | Susceptible | Intermediate | Resistant | MIC50 (μg/mL) | MIC90 (μg/mL) | |
Penicillin G | 144 (64.9) | –* | 78 (35.1) | 0.03 | 1 | 1240 (98.9) | 9 (0.7) | 5 (0.4) | 0.03 | 1 |
Ceftriaxone | 209 (94.1) | 10 (4.5) | 3 (1.4) | 0.25 | 0.5 | 1230 (98.1) | 12 (1.0) | 12 (1.0) | 0.25 | 0.5 |
Meropenem | 208 (93.7) | 14 (6.3) | 0 (0) | 0.015 | 0.25 | 1157 (92.3) | 87 (6.9) | 10 (0.8) | 0.015 | 0.25 |
Vancomycin | 222 (100) | –* | –* | 0.25 | 0.5 | 1254 (100) | –* | –* | 0.25 | 0.5 |
