Table 2. Antimicrobial susceptibility patterns of meningitis pathogens.
| Antimicrobial Agent | Resistance profile | Total Tested isolates | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sensitive | Intermediate | Resistant | |||||||||||
| Number of: | ≈%(b)) | Number of: | ≈%(b)) | Number of: | ≈%(b)) | ||||||||
| G+(a) | G-(a) | total | G+(a) | G-(a) | total | G+(a) | G-(a) | total | |||||
| Ampicillin/sulbactam | 31 | 4 | 35 | 64.8 | 1 | 2 | 3 | 5.6 | 3 | 13 | 16 | 29.6 | 54 |
| Piperacillin/tazobactam | 30 | 11 | 41 | 78.8 | 0 | 0 | 0 | 0.0 | 3 | 8 | 11 | 21.2 | 52 |
| Ciprofloxacin | 6 | 12 | 18 | 51.4 | 1 | 1 | 2 | 5.7 | 6 | 9 | 15 | 42.8 | 35 |
| Chloramphenicol | 38 | 7 | 45 | 68.2 | 1 | 0 | 1 | 1.5 | 5 | 15 | 20 | 30.3 | 66 |
| Penicillin-G | 26 | 0 | 26 | 38.8 | 0 | 0 | 0 | 0.0 | 21 | 20 | 41 | 61.2 | 67 |
| Cefotaxime | 30 | 6 | 36 | 65.5 | 0 | 0 | 0 | 0.0 | 5 | 14 | 19 | 34.5 | 55 |
| Vancomycin | 43 | nd | 43 | 89.5 | 0 | nd | 0 | 0.0 | 5 | nd | 5 | 10.4 | 48 |
| Ceftriaxone | 31 | 5 | 36 | 61.0 | 0 | 1 | 1 | 1.7 | 7 | 15 | 22 | 37.3 | 59 |
| Amoxicillin/clavulanate | 28 | 4 | 32 | 64.0 | 0 | 0 | 0 | 0.0 | 5 | 13 | 18 | 36.0 | 50 |
| Amikacin | 9 | 10 | 19 | 59.4 | 0 | 1 | 1 | 3.1 | 2 | 10 | 12 | 37.5 | 32 |
| Levofloxacin | 35 | 10 | 45 | 70.3 | 0 | 2 | 2 | 3.1 | 10 | 7 | 17 | 26.6 | 64 |
| Ampicillin | 28 | 2 | 30 | 48.4 | 0 | 0 | 0 | 0.0 | 13 | 19 | 32 | 51.6 | 62 |
| Gentamicin | 5 | 11 | 16 | 51.6 | 0 | 2 | 2 | 6.4 | 6 | 7 | 13 | 41.9 | 31 |
| Aztreonam | 0 | 2 | 2 | 33.3 | 0 | 0 | 0 | 0.0 | 0 | 4 | 4 | 66.7 | 6 |
| Meropenem | 32 | 13 | 45 | 78.9 | 0 | 0 | 0 | 0.0 | 3 | 9 | 12 | 21.1 | 57 |
nd, not determined; G+, Gram-positive isolates, G-, Gram-negative isolates, ≈%(b), percentage from total number.