Table 1.
Antimicrobial susceptibilities of S. aureus isolated from children with pneumonia.
| Antimicrobial | Susceptibilities rate (%) | P-value | ||
|---|---|---|---|---|
| Overall (n = 107) | MSSA (n = 58) | MRSA (n = 49) | ||
| Penicillin | – | 7 (12.1) | – | – |
| Gentamicin | 104 (97.2) | 56 (96.6) | 48 (98.0) | 1.000 |
| Kanamycin | 80 (74.8) | 46 (79.3) | 34 (69.4) | 0.239 |
| Tobramycin | 91 (85.0) | 45 (77.6) | 46 (93.9) | 0.019 |
| Fosfomycin-trometamol | 42 (39.3) | 24 (41.4) | 18 (36.7) | 0.624 |
| Erythromycin | 52 (48.6) | 43 (74.1) | 9 (18.4) | 0.000 |
| Tetracycline | 92 (86.0) | 50 (86.2) | 42 (85.7) | 0.942 |
| Teicoplanin | 107 (100) | 58 (100) | 49 (100) | – |
| Minocycline | 106 (99.1) | 58 (100) | 48 (98.0) | 0.458 |
| Ciprofloxacin | 90 (84.1) | 55 (94.8) | 35 (71.4) | 0.001 |
| Clindamycina | 74 (69.2) | 54 (93.1) | 20 (40.8) | 0.000 |
| Sulfamethoxazole-trimethoprim | 107 (100) | 58 (100) | 49 (100) | – |
| Chloramphenicol | 103 (96.3) | 57 (98.3) | 46 (93.9) | 0.494 |
| Rifampicin | 107 (100) | 58 (100) | 49 (100) | – |
| Quinupristin-dalfopristin | 107 (100) | 58 (100) | 49 (100) | – |
| Linezolid | 107 (100) | 58 (100) | 49 (100) | – |
| Vancomycinb | 107 (100) | 58 (100) | 49 (100) | – |
a
20 isolates (10 MRSA and 10 MSSA) were D-test positive, indicating inducible clindamycin resistance.
b
MIC range, 0.25~0.5 μg/ml; 85 isolates (48 MSSA and 37 MRSA) MIC = 0.25 μg/ml; 22 isolates (10 MSSA and 12 MRSA) MIC = 0.5 μg/ml.