Table 5.
Frequency of Virulence Genes Among Antibiotic Resistant E. coli Isolates
| Antibiotic (n) | Virulence Genes, n (%) | |||||||
|---|---|---|---|---|---|---|---|---|
| fimC | irp2 | fimH | fyuA | lpfA | hlyA | sat | cnf1 | |
| Sulfonamide (95) | 89 (93.68) | 88 (92.63) | 88 (92.63) | 80 (84.21) | 39 (41.05) | 32 (33.68) | 27 (28.42) | 7 (7.37) |
| Ampicillin (92) | 87 (94.56) | 85 (92.39) | 85 (92.39) | 77 (83.69) | 38 (41.30) | 32 (34.78) | 25 (27.17) | 7 (7.61) |
| Ticarcillin (88) | 84 (95.45) | 82 (93.18) | 83 (94.32) | 74 (84.09) | 37 (42.05) | 32 (36.36) | 25 (28.41) | 7 (7.95) |
| Nalidixic acid (88) | 84 (95.45) | 82 (93.18) | 84 (95.45) | 74 (84.09) | 38 (43.18) | 32 (36.36) | 27 (30.68) | 7 (7.95) |
| Tetracycline (79) | 75 (94.94) | 75 (94.94) | 74 (93.67) | 68 (86.07) | 33 (41.77) | 25 (31.65) | 22 (27.85) | 5 (6.32) |
| Deoxycycline (73) | 68 (93.15) | 68 (93.15) | 67 (91.78) | 63 (86.30) | 30 (41.10) | 23 (31.51) | 20 (27.40) | 5 (6.85) |
| Ciprofloxacin (68) | 67 (98.53) | 65 (95.59) | 67 (98.53) | 59 (86.76) | 28 (38.36) | 23 (33.82) | 22 (32.35) | 6 (8.82) |
| Ofloxacin (66) | 65 (98.48) | 63 (95.45) | 65 (98.48) | 57 (86.36) | 26 (39.39) | 24 (36.36) | 21 (31.82) | 6 (9.09) |
| Cefotaxime (66) | 66 (100) | 63 (95.45) | 63 (95.45) | 58 (87.88) | 32 (48.48) | 21 (31.82) | 17 (25.76) | 7 (10.61) |
| Levofloxacin (59) | 58 (98.31) | 56 (94.92) | 58 (98.31) | 50 (84.75) | 24 (40.68) | 21 (35.59) | 15 (25.42) | 6 (10.17) |
| Piperacillin (58) | 56 (96.55) | 55 (94.82) | 55 (94.82) | 53 (91.37) | 26 (44.82) | 17 (29.31) | 16 (27.50) | 5 (8.62) |
| Cefoperazone (51) | 51 (100) | 50 (98.04) | 49 (96.07) | 45 (88.24) | 25 (49.02) | 14 (27.45) | 12 (23.53) | 3 (5.88) |
| Gentamicin (51) | 49 (96.08) | 47 (92.16) | 48 (94.12) | 44 (86.27) | 21 (41.18) | 16 (31.37) | 12 (23.53) | 3 (5.88) |
| Kanamycin (39) | 37 (94.87) | 36 (92.31) | 35 (89.74) | 32 (82.05) | 19 (48.72) | 9 (23.08) | 8 (20.51) | 3 (7.69) |
| Tobramycin (39) | 38 (97.44) | 36 (92.31) | 35 (89.74) | 36 (92.31) | 19 (48.72) | 5 (12.82) | 8 (20.50) | 3 (7.69) |
| Chloramphenicol (33) | 32 (96.97) | 30 (90.91) | 29 (87.88) | 27 (81.82) | 13 (39.9) | 8 (24.24) | 10 (30.30) | 2 (6.06) |
| Minocycline (33) | 31 (93.94) | 32 (96.97) | 30 (90.91) | 31 (93.94) | 17 (51.52) | 8 (24.24) | 11 (33.33) | 2 (6.06) |
| Aztreonam (28) | 28 (100) | 28 (100) | 27 (96.43) | 26 (92.86) | 12 (42.86) | 7 (25.00) | 7 (25.00) | 2 (7.14) |
| Ceftazidime (21) | 21 (100) | 21 (100) | 21 (100) | 19 (90.48) | 9 (42.86) | 6 (28.57) | 7 (33.33) | 1 (4.76) |
| Cefoxitin (17) | 15 (88.23) | 15 (88.23) | 12 (70.59) | 13 (76.47) | 9 (52.94) | 6 (35.29) | 2 (11.76) | 2 (11.76) |
| Amikacin (8) | 7 (87.50) | 6 (75.00) | 7 (87.50) | 4 (50.00) | 5 (62.50) | 1 (12.50) | 1 (12.50) | 0 (0) |
| Ertapenem (3) | 3 (100) | 3 (100) | 3 (100) | 2 (66.67) | 1 (33.33) | 1 (33.33) | 2 (66.67) | 1 (33.33) |