Table 4 Antibiotic resistance rates and high vancomycin MIC in different SCCmec types
SCCmec I n = 14 | SCCmec II n = 36 | SCCmec IV n = 102 | MRSA all n = 153 | |||||
|---|---|---|---|---|---|---|---|---|
R | % | R | % | R | % | R | % | |
Erythromycin | 13 | 92.9 | 33 | 91.7 | 75 | 73.5 | 122 | 79.7 |
Clindamycin | 13 | 92.9 | 32 | 88.9 | 75 | 73.5 | 121 | 79.1 |
Gentamicin | 6 | 42.9 | 3 | 8.3 | 3 | 2.9 | 12 | 7.8 |
Tobramycin | 7 | 50.0 | 12 | 33.3 | 7 | 6.9 | 26 | 17.0 |
Amikacin | 7 | 50.0 | 12 | 33.3 | 7 | 6.9 | 26 | 17.0 |
Ciprofloxacin | 11 | 78.6 | 35 | 97.2 | 97 | 95.1 | 143 | 93.5 |
Sulfamethoxazole-trimethoprim | 0 | 0.0 | 0 | 0.0 | 1 | 1.0 | 1 | 0.7 |
Doxycycline | 3 | 21.4 | 1 | 2.8 | 5 | 4.9 | 10 | 6.5 |
Rifampicin | 1 | 7.1 | 0 | 0.0 | 1 | 1.0 | 2 | 1.3 |
Vancomycin MIC = 2 mg/L | 3 | 21.4 | 4 | 11.1 | 4 | 3.9 | 10 | 6.5 |