Table 3. Antibiotic resistance rate (%) of non-mucoid strains isolated from outpatients according to their age group, including those with meningitis and nonmeningitis, in all samples.
| Infant and preschool group (N=2,577) | Schoolchildren group (N=162) | Adult group (N=183) | Elderly adult group (N=342) | |
|---|---|---|---|---|
| Penicillin G nonmeningitis | 0 | 0 | 0 | 0 |
| Penicillin G meningitis | 0 | 0 | 0 | 0 |
| AC | 0 | 0 | 0 | 0 |
| Cefotaxime nonmeningitis | 0.5 | 1.2 | 0.5 | 0 |
| Cefotaxime meningitis | 0 | 0 | 0 | 0 |
| Ceftriaxone nonmeningitis | 0.9 | 0 | 0 | 0 |
| Cefepime nonmeningitis | 0.7 | 0 | 1.1 | 0 |
| Cefepime meningitis | 0 | 0 | 0 | 0 |
| Meropenem | 1.9 | 3.0 | 2.2 | 0.9 |
| Erythromycin | 88.4* | 82.1 | 72.7 | 79.8 |
| Clarithromycin | 75.7* | 66.7 | 59.0 | 63.5 |
| Clindamycin | 49.9† | 37.7 | 35.0 | 38.3 |
| Tetracycline | 84.1† | 75.3 | 69.9 | 73.1 |
| Chloramphenicol | 12.6 | 12.7 | 8.7 | 14.3 |
| Vancomycin | 0 | 0 | 0 | 0 |
| Levofloxacin | 0.1 | 0.6 | 3.3 | 3.5 |
| Rifampicin | 0 | 0 | 0 | 0 |
| TMP/SMX | 8.5 | 4.3 | 5.5 | 12.3 |
*P<0.05; †P<0.01.
Abbreviations: AC, Amoxicillin-clavulanate; TMP/SMX, Trimethoprim-sulfamethoxazole.