Table 5.
Resistance Rates of Staphylococcus spp. to Antimicrobial Agents
| Antimicrobial Agent | MRSA (n=982) | MSSA (n=2117) | MRCNS (n=2717) | MSCNS (n=570) | ||||
|---|---|---|---|---|---|---|---|---|
| R | S | R | S | R | S | R | S | |
| Penicillin G | 100.0 | 0.0 | 90.0 | 10.0 | 100.0 | 0.0 | 74.5 | 25.5 |
| Oxacillin | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 |
| Gentamicin | 26.5 | 68.6 | 14.2 | 81.8 | 31.7 | 59.2 | 3.0 | 94.0 |
| Rifampin | 16.6 | 82.8 | 0.3 | 99.2 | 16.7 | 82.9 | 1.0 | 98.8 |
| Levofloxacin | 38.8 | 60.3 | 11.3 | 88.2 | 73.7 | 23.9 | 12.5 | 86.0 |
| Trimethoprim–sulfamethoxazole | 10.5 | 89.5 | 19.1 | 80.9 | 49.3 | 50.7 | 27.9 | 72.1 |
| Clindamycin | 60.4 | 39.5 | 26.7 | 72.9 | 47.8 | 50.7 | 11.4 | 86.7 |
| Erythromycin | 79.3 | 18.7 | 48.2 | 49.3 | 85.2 | 13.2 | 55.4 | 43.1 |
| Nitrofurantoin | 1.0 | 98.5 | 0.0 | 99.4 | 0.7 | 98.8 | 0.0 | 100.0 |
| Linezolid | 0.0 | 100.0 | 0.0 | 100.0 | 0.7 | 99.3 | 0.0 | 100.0 |
| Vancomycin | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 |
| Teicoplanin | 0.0 | 95.8 | 0.0 | 97.5 | 0.0 | 100.0 | 0.0 | 100.0 |
Abbreviations: MRSA, methicillin-resistant Staphylococcus aureus; MSSA, methicillin-sensitive Staphylococcus aureus; MRCNS, methicillin-resistant coagulase-negative Staphylococcus; MSCNS, methicillin-sensitive coagulase-negative Staphylococcus.