Table 1.
VAGs/characteristics among the CTX-M producers (n = 40) and nonproducers (n = 17).
| VAGs/resistance | Number (%) of strains positive for the VAG/characteristic | |||
|---|---|---|---|---|
| ESBL producers (n = 57) | CTX-M producers (n = 40) |
Non-CTX-M producers (n = 17) |
p value | |
| pap | 19 (33.3) | 16 (40) | 3 (17.7) | 0.1833 |
| sfa/foc | 1 (1.8) | 0 (0) | 1 (5.9) | 0.6564 |
| afa/dra | 3 (5.3) | 2 (5) | 1 (5.9) | 0.8914 |
| iutA | 32 (56.1) | 24 (60) | 8 (47.1) | 0.5425 |
| fyuA | 45 (78.9) | 32 (80) | 13 (76.5) | 0.7649 |
| iroN | 20 (35.1) | 15 (37.5) | 5 (29.4) | 0.7779 |
| kpsMII | 21 (36.8) | 18 (45) | 3 (17.7) | 0.0486a |
| usp | 19 (33.3) | 11 (27.5) | 8 (47.1) | 0.2602 |
| Haemolysis | 3 (5.3) | 2 (5) | 1 (5.9) | 0.8914 |
| AmpC | 54 (94.7) | 40 (100) | 14 (82.4) | 0.0374b |
| CIPR | 47 (82.5) | 37 (92.5) | 10 (58.8) | 0.0037c |
| SXTR | 57 (100) | 40 (100) | 17 (100) | 1 |
| GENR | 38 (66.7) | 30 (75) | 8 (47.1) | 0.0818 |
| CIPRSXTRGENR | 35 (61.4) | 28 (70) | 7 (41.2) | 0.0403d |
VAGs: virulence associated genes, CIPR: resistant to CIP, SXTR: resistant to SXT, GENR: resistant to GEN, and CIPRSXTRGENR: multidrug resistance.
a p < 0.05, odds ratio: 3.8182, and 95% CI: 0.9473 to 15.389.
b p < 0.05, odds ratio: 32.3665, and 95% CI: 2.607 to 401.8328.
c p < 0.05, odds ratio: 8.6333, and 95% CI: 1.8839 to 39.5634.
d p < 0.05, odds ratio: 3.3333, and 95% CI: 1.0252 to 10.8382.