3a: Susceptibility Profile for 113Â S. aureus isolates | |||||||
Antimicrobial | Â | MIC (ug/mL) | Interpretation N (%) | ||||
 | Organism | Range | MIC50 | MIC90 | Susceptible | Intermediate | Resistant |
 Clindamycin | MRSA | 0.25 – ≥8 | 0.25 | ≥8 | 18 (64.3) | 0 (0) | 10 (35.7) |
MSSA | ≤0.12 – ≥8 | 0.25 | <0.5 | 56 (65.9) | 0 (0) | 29 (34.1) | |
 Ciprofloxacin* | MRSA | ≤0.5 – ≥8 | ≥8 | ≥8 | 5 (20) | 0 (0) | 20 (80) |
MSSA | ≤0.5 – ≥8 | ≤0.5 | ≤0.5 | 74 (91.4) | 1 (1.2) | 6 (7.4) | |
 Daptomycin | MRSA | 0.25 – 1 | 0.5 | 1 | 28 (100) | 0 (0) | 0 (0) |
MSSA | ≤0.12 – 1 | 0.25 | 0.5 | 85 (100) | 0 (0) | 0 (0) | |
 Erythromycin | MRSA | ≤0.25 – ≥8 | ≥8 | ≥8 | 3 (10.7) | 0 (0) | 25 (89.3) |
MSSA | ≤0.25 – ≥8 | 0.5 | ≥8 | 47 (56) | 0 (0) | 37 (44) | |
 Gentamicin | MRSA | ≤0.5 – ≥16 | ≤0.5 | 8 | 24 (85.7) | 2 (7.1) | 2 (7.1) |
MSSA | ≤0.5 – 4 | ≤0.5 | ≤0.5 | 85 (100) | 0 (0) | 0 (0) | |
 Levofloxacin | MRSA | 0.25 – ≥8 | 4 | ≥8 | 6 (21.4) | 8 (28.6) | 14 (50) |
MSSA | ≤0.12 – ≥8 | 0.25 | 2 | 80 (94.1) | 2 (2.4) | 3 (3.5) | |
 Linezolid | MRSA | 2 – 4 | 2 | 2 | 28 (100) | 0 (0) | 0 (0) |
MSSA | 1 – 4 | 2 | 2 | 85 (100) | 0 (0) | 0 (0) | |
 Trimethoprim/Sulfamethoxazole | MRSA | ≤0.5 – ≥16 | ≤0.5 | 8 | 25 (89.3) | 0 (0) | 3 (10.7) |
MSSA | ≤0.5 – ≥16 | 0.5 | 0.5 | 84 (98.8) | 0 (0) | 1 (1.2) | |
 Tetracycline* | MRSA | ≤1 – ≥16 | ≤1 | 4 | 22 (91.7) | 0 (0) | 2 (8.3) |
MSSA | ≤1 – ≥16 | ≤1 | 4 | 48 (94.1) | 0 (0) | 3 (5.9) | |
 Vancomycin | MRSA | ≤0.5 – 2 | 1 | 2 | 28 (100) | 0 (0) | 0 (0) |
MSSA | ≤0.5 – 2 | 1 | 1 | 37 (100) | 0 (0) | 0 (0) | |
3b: Susceptibility Profile for 30Â S. pneumoniae isolates | |||||||
Antimicrobial | MIC (ug/mL) | Interpretation N (%) | |||||
 |  | Range | MIC50 | MIC90 | Susceptible | Intermediate | Resistant |
 Ceftriaxone (non-meningitis)# |  | .004 – 0.5 | 0.032 | 0.25 | 23 (100) | 0 (0) | 0 (0) |
 Clindamycin# |  | .032 – 1 | 0.125 | 0.25 | 27(93.2) | 1 (3.4) | 1 (3.4) |
 Erythromycin |  | .016 – 32 | 0.25 | 2 | 22 (73.3) | 3 (10) | 5 (16.7) |
 Levofloxacin |  | 0.25 – 4 | 1 | 1 | 29 (96.7) | 0 (0) | 1 (3.3) |
 Penicillin (non-meningitis)# |  | .008 – 2 | 0.032 | 0.5 | 25 (100) | 0 (0) | 0 (0) |
 Vancomycin |  | .25 – 2 | 0.5 | 1 | 29 (96.7) | 0 (0) | 1 (3.3) |