Table 2 Detection of erythromycin-resistance genes for 135 erythromycin-resistant pneumococcal isolates
| Macrolide-resistance genes | No. (%) | Age group | MICs (μg/mL) distribution (No.) | MIC range (μg/mL) | ||||
|---|---|---|---|---|---|---|---|---|
| ermB | mef | 0 to 2 years | 2 to 5 years | 3 | 12 | >256 | ||
| + | + | 41 (30.4%) | 18 (13.3%) | 23 (17.1%) | 1 | 1 | 39 | 3- > 256 |
| + | - | 94 (69.6%) | 36 (26.7%) | 58 (42.9%) | 94 | >256 | ||