Table 3. Distribution of virulence factors in blaNDM-1 producing K. pneumoniae isolates and carbapenem susceptible isolates.
| Group | Virulence genes | Biofilm production | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| entB | iroB, K2 | irp2 | fimA | fimH | mrkA | mrkD | uge | ureA | rmpA | non-adherent | weakly adherent | strongly adherent | |
| CR | 97.7% (42/43) |
0% (0/43) |
60.5% (26/43) |
18.6% (8/43) |
100% (43/43) |
74.4% (32/43) |
0% (0/43) |
27.9% (12/43) |
76.7% (33/43) |
0% (0/43) |
69.8% (30/43) |
4.6% (2/43) |
25.6% (11/43) |
| CS | 100% (23/23) |
13% (3/23) |
47.8% (11/23) |
65.2% (15/23) |
95.7% (22/23) |
100% (23/23) |
4.3% (1/23) |
82.6% (19/23) |
100% (23/23) |
8.7% (2/23) |
100% (23/23) | 0% (0/23) | 0% (0/23) |
| P-value | NS | NS | 0.467 | <0.001 | NS | NS | NS | <0.001 | NS | NS | NS | NS | NS |
CR: Carbapenem-resistant isolates; CS: Carbapenem-susceptible isolates. NS: Not significant. iucA, K1, and rmpA2 genes were not detected.