Table 3.
Distribution of resistance and regulatory genes among MSSA and MRSA strains
| S. aureus | Genes | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Resistance | agr | SCCmec | ||||||||||||
| qacA/B | smr | Sum* | I | II | III | IV | NT | I | II | III | IV | XI | ||
| No. (%) | No. (%) | No. (%) | ||||||||||||
| MSSA | 24 (58.5) | 12 (29.3) | 28 (68.3) | 33 (80.5) | 1 (2.4) | 4 (9.8) | 0 | 3 (7.3) | - | - | - | - | - | |
| MRSA | 17 (68) | 8 (32) | 18 (72) | 23 (92) | 0 | 2 (8) | 0 | 0 | 4 (16) | 2 (8) | 11 (44) | 7 (28) | 1 (4) | |
| Total | 41 (62.1) | 20 (30.3) | 46 (69.7) | 56 (84.8) | 1 (1.5) | 6 (9.1) | 0 | 3 (4.5) | 4 (16) | 2 (8) | 11 (44) | 7 (28) | 1 (4) | |
MSSA: methicillin-sensitive Staphylococcus aureus, MRSA: methicillin-resistant Staphylococcus aureus,*: Some strains had two genes simultaneously, NT: Not typeable, smr: identical to qacC, qacD, and ebr, qacA/B: identical to qac A and qacB