Table 4 Association between virulence,drug resistance and disinfectant tolerance
Characteristics | KPC-2 isolates (n = 21) | NDM-1 isolates (n = 9) | IPM-4 isolates (n = 4) | P value* |
|---|---|---|---|---|
Virulence genes | ||||
rcsA/B + entA + fimA/H + mrkA/D | 21(100) | 9(100) | 4(100) | - |
 rcsA/B + entA + fimA/H + mrkA/D + iroN | 20(95.2) | 8(88.9) | 4(100) | 0.690 |
 rcsA/B + entA + fimA/H + mrkA/D + ybtA | 0 | 1(11.1) | 0 | 0.304 |
 rcsA/B + entA + fimA/H + mrkA/D + iroN + ybtA | 19(90.5) | 2(22.2) | 0 |  < 0.001 |
 rcsA/B + entA + fimA/H + mrkA/D + iroN + iucB | 1(4.8) | 2(22.2) | 0 | 0.304 |
Disinfectant resistance genes | ||||
 cepA | 3(14.3) | 5(55.6) | 4(100) | 0.003 |
 qacE + cepA | 18(85.7) | 4(44.4) | 0 | 0.003 |