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Table 5 Susceptibility of organisms isolated from CSF
| Organism | Antimicrobial | Total, N | S | S, % | R | R, % | I | I, % |
|---|---|---|---|---|---|---|---|---|
| Streptococcus 206 isolates | Ciprofloxacin | 34 | 34 | 100 | 0 | 0 | 0 | |
| Ceftriaxone | 89 | 87 | 97.8 | 2 | 2.2 | 0 | 0 | |
| Ofloxacin | 40 | 39 | 97.5 | 1 | 2.5 | 0 | 0 | |
| Cefuroxime | 28 | 27 | 96.4 | 1 | 3.6 | 0 | 0 | |
| Chloramphenicol | 171 | 160 | 93.6 | 9 | 5.3 | 2 | 1.2 | |
| Vancomycin | 110 | 102 | 92.7 | 6 | 5.5 | 2 | 1.8 | |
| Erythromycin | 186 | 162 | 87.1 | 23 | 12.4 | 1 | 0.5 | |
| Clindamycin | 140 | 120 | 85.7 | 19 | 13.6 | 1 | 0.7 | |
| Tetracycline | 180 | 146 | 81.1 | 25 | 13.9 | 9 | 5 | |
| Gentamicin | 5 | 4 | 80 | 1 | 20 | 0 | 0 | |
| Amoxicillin | 24 | 18 | 75 | 6 | 25 | 0 | 0 | |
| Penicillin | 169 | 109 | 64.5 | 58 | 34.3 | 2 | 1.2 | |
| Oxacillin | 153 | 79 | 51.6 | 69 | 45.1 | 5 | 3.3 | |
| Sulfamethoxazole/trimethoprim | 175 | 48 | 27.4 | 125 | 71.4 | 2 | 1.1 | |
| Neisseria meningitidis 107 isolates | Chloramphenicol | 102 | 97 | 95.1 | 3 | 2.9 | 2 | 2 |
| Ceftriaxone | 105 | 97 | 92.4 | 5 | 4.8 | 3 | 2.9 | |
| Penicillin | 105 | 86 | 81.9 | 16 | 15.2 | 3 | 2.9 | |
| Erythromycin | 14 | 10 | 71.4 | 4 | 28.6 | 0 | 0 | |
| Tetracycline | 24 | 17 | 70.8 | 3 | 12.5 | 4 | 16.7 | |
| Sulfamethoxazole/trimethoprim | 102 | 22 | 21.6 | 79 | 77.5 | 1 | 1 | |
| Haemophilus 59 isolates | Amoxicillin | 53 | 32 | 60.4 | 18 | 34 | 3 | 5.7 |
| Amoxicillin/Clavulanic Acid | 18 | 14 | 77.8 | 4 | 22.2 | 0 | ||
| Ceftriaxone | 52 | 46 | 88.5 | 5 | 9.6 | 1 | 1.9 | |
| Cefuroxime | 20 | 14 | 70 | 5 | 25 | 1 | 5 | |
| Chloramphenicol | 55 | 48 | 87.3 | 6 | 10.9 | 1 | 1.8 | |
| Ciprofloxacin | 11 | 11 | 100 | 0 | 0 | 0 | ||
| Ofloxacin | 23 | 22 | 95.7 | 0 | 0 | 1 | 4.3 | |
| Penicillin | 6 | 6 | 100 | 0 | 0 | |||
| Tetracycline | 27 | 21 | 77.8 | 4 | 14.8 | 2 | 7.4 | |
| Sulfamethoxazole/trimethoprim | 37 | 10 | 27 | 25 | 67.6 | 2 | 5.4 | |
| Staphylococcus 36 isolates | Amikacin | 7 | 7 | 0 | 0 | 0 | 0 | 0 |
| Vancomycin | 22 | 20 | 90.9 | 0 | 0 | 2 | 9.1 | |
| Fusidic acid | 34 | 29 | 85.3 | 1 | 2.9 | 4 | 11.8 | |
| Ciprofloxacin | 21 | 17 | 81 | 4 | 19 | 0 | ||
| Cephalothin | 8 | 6 | 75 | 2 | 25 | 0 | 0 | |
| Clindamycin | 27 | 19 | 70.4 | 6 | 22.2 | 2 | 7.4 | |
| Tetracycline | 27 | 19 | 70.4 | 8 | 29.6 | 0 | ||
| Erythromycin | 31 | 21 | 67.7 | 10 | 32.3 | 0 | 0 | |
| Oxacillin | 9 | 6 | 66.7 | 3 | 33.3 | 0 | 0 | |
| Cloxacillin | 29 | 19 | 65.5 | 10 | 34.5 | 0 | ||
| Cefuroxime | 5 | 3 | 60 | 2 | 40 | 0 | 0 | |
| Gentamicin | 17 | 7 | 41.2 | 9 | 52.9 | 1 | 5.9 | |
| Penicillin | 34 | 8 | 23.5 | 25 | 73.5 | 1 | 2.9 | |
| Amoxicillin | 14 | 3 | 21.4 | 11 | 78.6 | 0 | 0 | |
| Sulfamethoxazole/trimethoprim | 29 | 0 | 0 | 18 | 62.1 | 11 | 37.9 | |
| Escherichia coli 22 isolates | Ceftriaxone | 17 | 17 | 100 | 0 | 0 | ||
| Chloramphenicol | 6 | 6 | 100 | 0 | 0 | |||
| Ciprofloxacin | 13 | 12 | 92.3 | 1 | 7.7 | 0 | ||
| Cefuroxime | 19 | 15 | 78.9 | 2 | 10.5 | 2 | 10.5 | |
| Piperacillin-Tazobactam | 4 | 3 | 75 | 1 | 25 | 0 | ||
| Cephalothin | 10 | 7 | 70 | 1 | 10 | 2 | 20 | |
| Gentamicin | 17 | 11 | 64.71 | 3 | 17.65 | 3 | 17.65 | |
| Tetracycline | 5 | 3 | 60 | 2 | 40 | 0 | ||
| Amoxicillin/Clavulanic Acid | 7 | 4 | 57.14 | 3 | 42.86 | 0.0 | ||
| Erythromycin | 4 | 2 | 50 | 2 | 50 | 0 | ||
| Penicillin | 4 | 2 | 50 | 2 | 50 | 0 | ||
| Sulfamethoxazole/trimethoprim | 21 | 3 | 14.29 | 18 | 85.71 | 0 | ||
| Amoxicillin | 22 | 3 | 13.6 | 19 | 86.4 | 0 | ||
| Enterococcus species 9 isolates | Penicillin | 8 | 7 | 87.5 | 1 | 12.5 | 0 | 0 |
| Vancomycin | 9 | 7 | 77.8 | 1 | 11.1 | 1 | 11.1 | |
| Amoxicillin | 7 | 5 | 71.4 | 2 | 28.6 | 0 | 0 | |
| Ciprofloxacin | 3 | 2 | 66.7 | 1 | 33.3 | 0 | ||
| Erythromycin | 3 | 1 | 33.3 | 2 | 66.7 | 0 | 0 | |
| Clindamycin | 8 | 2 | 25 | 6 | 75 | 0 | 0 | |
| Tetracycline | 2 | 0 | 0 | 2 | 100 | 0 | 0 | |
| Sulfamethoxazole/trimethoprim | 2 | 0 | 0 | 2 | 100 | 0 | 0 | |
| Acinetobacter species 8 isolates | Imipenem | 8 | 7 | 87.5 | 1 | 12.5 | 0 | |
| Sulfamethoxazole/trimethoprim | 7 | 6 | 85.7 | 1 | 14.3 | 0 | ||
| Gentamycin | 8 | 6 | 75 | 2 | 25 | 0 | 0 | |
| Piperacillin-Tazobactam | 8 | 6 | 75 | 1 | 12.5 | 1 | 12.5 | |
| Ceftazidime | 6 | 4 | 66.7 | 1 | 16.7 | 1 | 16.7 | |
| Piperacillin | 2 | 1 | 50 | 1 | 50 | 0 | ||
| Klebsiella 7 isolates | Ciprofloxacin | 5 | 5 | 100 | 0 | 0 | ||
| Amikacin | 6 | 5 | 83.3 | 1 | 16.7 | 0 | ||
| Ceftriaxone | 7 | 5 | 71.4 | 2 | 28.6 | 0 | ||
| Gentamicin | 6 | 4 | 66.7 | 1 | 16.7 | 1 | 16.7 | |
| Piperacillin-Tazobactam | 3 | 2 | 66.7 | 1 | 33.3 | 0 | ||
| Cefuroxime | 6 | 3 | 50 | 2 | 33.3 | 1 | 16.7 | |
| Sulfamethoxazole/trimethoprim | 7 | 3 | 42.9 | 4 | 57.1 | 0 | ||
| Cephalothin | 5 | 1 | 20 | 4 | 80 | 0 | 0 | |
| Amoxicillin | 7 | 1 | 14.3 | 4 | 57.1 | 2 | 28.6 | |
| ESBL’s Klebsiella pneumoniae 7 isolates | Amikacin | 7 | 5 | 71.43 | 1 | 14.3 | 1 | 14.3 |
| Ciprofloxacin | 7 | 7 | 100 | 0 | 0 | |||
| Imipenem | 7 | 7 | 100 | 0 | 0 | |||
| Piperacillin-Tazobactam | 7 | 7 | 100 | 0 | 0 | |||
| Ceftazidime | 7 | 2 | 28.6 | 5 | 71.4 | 0 | ||
| Amoxicillin | 7 | 0 | 7 | 100 | 0 | |||
| Ceftriaxone | 7 | 0 | 7 | 100 | 0 | |||
| Cefuroxime | 7 | 0 | 7 | 100 | 0 | |||
| Gentamicin | 7 | 0 | 7 | 100 | 0 | |||
| Sulfamethoxazole/trimethoprim | 7 | 0 | 7 | 100 | 0 | |||
| Pseudomonas species 7 isolates | Amikacin | 7 | 7 | 100 | 0 | 0 | ||
| Ceftazidime | 7 | 7 | 100 | 0 | 0 | |||
| Ciprofloxacin | 6 | 6 | 100 | 0 | 0 | |||
| Imipenem | 6 | 6 | 100 | 0 | 0 | |||
| Gentamycin | 6 | 5 | 83.3 | 1 | 16.7 | 0 | 0 | |
| Piperacillin-Tazobactam | 7 | 4 | 57.1 | 0 | 3 | 42.9 | ||
| Sulfamethoxazole/trimethoprim | 7 | 3 | 42.9 | 4 | 57.1 | 0 |
