Table 4.
Typing results, resistance genes distribution, and MIC against antiseptics among MSSA and MRSA strains
| MRSA (25) | Spa type(No.)/CC | MLST | Resistance genes (No.) | BTC | BKC | CHG | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST/CC | SCCmecA | qac | Total | smr | Total | mean MIC µg/ml (range) | |||||||||||||||
| t037(12) /37, t30(2)/37 | 239 /8 | III(10), I(3), II(2) | 12 | 5 | 27.7(9.7–78) | 43.7(9.7–155) | 305(78–625) | ||||||||||||||
| t7688 (1)/24 | 239 /8 | SCCmec C | 1 | 17 | 0 | 8 | 39 | 39 | 155 | ||||||||||||
| t230(8)/S | 45/45 | IV(7), I | 2 | 68% | 2 | 32% | 21.3(5–78) | 20.7(5–78) | 214(78–625) | ||||||||||||
| t1741(2)/S | III | 2 | 1 | 332(39–625) | 332(39–625) | 468(310–625) | |||||||||||||||
| MSSA(41) | t790(9),t1149(7),t701(4), t571(3) | 21 | 12 | 11.7(2.5–39) | 20.6(2.5–39) | 222(39–625) | |||||||||||||||
| t1077(3),t1077(3), t5598(2) | 24 | 12 | |||||||||||||||||||
| t2622(2),t127, t706, NT (2) | 58.5% | 29.3% | |||||||||||||||||||
| t30(3), t12(2) ,t05 | 239,30,22 | 3 | 0 | ||||||||||||||||||
S: Singleton , CC: Clonal cluster, ICU: Intensive care unit, Nero; Nephrology, MIC: minimum inhibitory concentration
MSSA: methicillin-sensitive Staphylococcus aureus, MRSA: methicillin-resistant Staphylococcus aureus, BTC: benzethonium chloride, BKC: benzalkonium chloride, CHG: chlorhexidine digluconate, LC: tracheal aspirate culture, BC: blood culture, UC: urine culture, WC: wound culture