Table 2. Resistance genes in MRSA, MSSA and in isolates from different diagnoses.
MRSA isolates | MSSA isolates | Carriage isolates | Blood culture isolates | SSTI isolates | ||||||||
N = | % = | N = | % = | N = | % = | N = | % = | P (BSI vs. carriage) | N = | % = | P (SSTI vs. carriage) | |
mecA | 97 | 100.0 | 0 | 0.0 | 17 | 34.0 | 26 | 34.2 | 1.00 | 33 | 54.1 | 0.04 |
SCC mec I | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 1.00 | 0 | 0.0 | 1.00 |
SCC mec II | 2 | 2.1 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 1.00 | 0 | 0.0 | 1.00 |
SCC mec III | 22 | 22.7 | 0 | 0.0 | 0 | 0.0 | 7 | 9.2 | 0.04 | 4 | 6.6 | 0.13 |
SCC mec IV | 72 | 74.2 | 0 | 0.0 | 17 | 34.0 | 18 | 23.7 | 0.23 | 29 | 47.5 | 0.18 |
SCC mec V | 1 | 1.0 | 0 | 0.0 | 0 | 0.0 | 1 | 1.3 | 1.00 | 0 | 0.0 | 1.00 |
merA/B | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 1.00 | 0 | 0.0 | 1.00 |
blaZ/I/R | 97 | 100.0 | 98 | 88.3 | 45 | 90.0 | 72 | 94.7 | 0.48 | 57 | 93.4 | 0.73 |
erm (A) | 24 | 24.7 | 4 | 3.6 | 1 | 2.0 | 10 | 13.2 | 0.05 | 4 | 6.6 | 0.38 |
erm (B) | 1 | 1.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 1.00 | 0 | 0.0 | 1.00 |
erm (C) | 41 | 42.3 | 18 | 16.2 | 17 | 34.0 | 16 | 21.1 | 0.15 | 19 | 31.2 | 0.84 |
msr (A) | 24 | 24.7 | 3 | 2.7 | 6 | 12.0 | 5 | 6.6 | 0.34 | 16 | 26.2 | 0.09 |
mpbBM | 24 | 24.7 | 3 | 2.7 | 6 | 12.0 | 5 | 6.6 | 0.34 | 16 | 26.2 | 0.09 |
aacA-aphD | 25 | 25.8 | 3 | 2.7 | 4 | 8.0 | 7 | 9.2 | 1.00 | 7 | 11.5 | 0.75 |
aadD | 3 | 3.1 | 1 | 0.9 | 1 | 2.0 | 1 | 1.3 | 1.00 | 0 | 0.0 | 0.45 |
aphA3 | 69 | 71.1 | 15 | 13.5 | 20 | 40.0 | 21 | 27.6 | 0.18 | 35 | 57.4 | 0.09 |
sat | 69 | 71.1 | 15 | 13.5 | 20 | 40.0 | 21 | 27.6 | 0.18 | 35 | 57.4 | 0.09 |
dfrA | 1 | 1.0 | 1 | 0.9 | 0 | 0.0 | 1 | 1.3 | 1.00 | 1 | 1.6 | 1.00 |
far1 | 4 | 4.1 | 0 | 0.0 | 0 | 0.0 | 3 | 4.0 | 0.28 | 1 | 1.6 | 1.00 |
fusC | 0 | 0.0 | 2 | 1.8 | 0 | 0.0 | 0 | 0.0 | 1.00 | 2 | 3.3 | 0.50 |
mupR | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 1.00 | 0 | 0.0 | 1.00 |
tet (K) | 44 | 45.4 | 25 | 22.5 | 16 | 32.0 | 21 | 27.6 | 0.69 | 24 | 39.3 | 0.44 |
tet (M) | 23 | 23.7 | 2 | 1.8 | 0 | 0.0 | 8 | 10.5 | 0.02 | 6 | 9.8 | 0.03 |
cat | 1 | 1.0 | 1 | 0.9 | 0 | 0.0 | 1 | 1.3 | 1.00 | 1 | 1.6 | 1.00 |
cfr | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 1.00 | 0 | 0.0 | 1.00 |
qacA | 5 | 5.2 | 0 | 0.0 | 3 | 6.0 | 0 | 0.0 | 0.06 | 2 | 3.3 | 0.66 |
qacC | 1 | 1.0 | 1 | 0.9 | 0 | 0.0 | 0 | 0.0 | 1.00 | 2 | 3.3 | 0.50 |
vanA | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 1.00 | 0 | 0.0 | 1.00 |