Table 3 Antibiotic susceptibility patterns of S. pyogenes
Sl No. | Antimicrobial agent (amount/disk) | Patterns of susceptibility (in percentage) with respect to diameter of zone of inhibition in mm | ||
|---|---|---|---|---|
Resistant | Intermediate | Sensitive | ||
1. | PenicillinG (10unit) | - | 33 (23.57%) | 107 (76.42%) |
2. | Erythromycin (15mcg) | 4 (2.85%) | 12 (8.57%) | 124 (88.57%) |
3. | Cefotaxime (30mcg) | - | 12 (8.57%) | 128 (91.42%) |
4. | Vancomycin (30mcg) | - | - | 140 (100%) |
5. | Tetracycline (30mcg) | 75 (53.57%) | 30 (21.42%) | 35 (24.99%) |
6. | Clindamycin (2mcg) | - | - | 140 (100%) |