Table 3.
Frequency of different virulence genes in antibiotic resistant isolates in comparison to susceptible isolates
| Antibiotic agents | R or S (n) | Virulence genes n (%) | ||||||
|---|---|---|---|---|---|---|---|---|
| hlyA | sfa/foc | papC | malX | Irp2 | fimC | ompA | ||
| Azithromycin | R(140) | 52 (37.1) | 24 (17.1) | 116 (82.9) | 104 (74.3) | 92 (65.7) | 68 (48.6) | 136 (97.1) |
| S(108) | 24 (22.2) | 28 (25.9) | 88 (81.5) | 80 (74.1) | 64 (59.3) | 56 (51.9) | 96 (88.9) | |
| Amoxicillin | R(228) | 72 (31.6) | 44 (19.3) | 192 (84.2) | 172 (75.4) | 136 (69.6) | 112 (49.1) | 216 (94.7) |
| S(20) | 4 (20) | 8 (40) | 12 (60) | 12 (60) | 20 (100) | 12 (60) | 16 (80) | |
| Imipenem | R(8) | 8 (100) | 0 (0) | 8 (100) | 8 (100) | 0 (0) | 0 (0) | 8 (100) |
| S(240) | 68 (28.3) | 52 (21.7) | 196 (81.7) | 176 (73.3) | 156 (65) | 124 (51.7) | 228 (93.3) | |
| Gentamycin | R(68) | 28 (41.2) | 4 (5.9) | 60 (88.2) | 60 (88.2) | 40 (58.8) | 40 (58.8) | 60 (88.2) |
| S(180) | 48 (26.7) | 48 (26.7) | 144 (80) | 124 (68.9) | 116 (64.4) | 84 (46.7) | 172 (95.6) | |
| Ciprofloxacin | R(116) | 48 (41.4) | 24 (20.7) | 92 (79.3) | 100 (86.2) | 68 (58.6) | 48 (41.4) | 112 (96.6) |
| S(132) | 28 (21.2) | 28 (21.2) | 112 (84.8) | 84 (63.6) | 88 (66.7) | 76 (57.6) | 120 (90.9) | |
| Cefotaxime | R(164) | 56 (34.1) | 32 (19.5) | 136 (82.9) | 128 (78) | 100 (61) | 72 (43.9) | 156 (95.1) |
| S(84) | 20 (23.8) | 20 (23.8) | 68 (81) | 56 (66.7) | 56 (66.7) | 52 (61.9) | 76 (90.5) | |
| Fosfomycin | R(4) | 0 (0) | 4 (100) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 4 (100) |
| S(244) | 76 (31.1) | 48 (19.7) | 204 (83.6) | 184 (75.4) | 156 (63.9) | 124 (50.8) | 228 (93.4) | |
| Cephalexin | R(184) | 68 (37) | 40 (21.7) | 156 (84.8) | 140 (76.1) | 108 (58.7) | 80 (43.5) | 180 (97.8) |
| S(64) | 8 (12.5) | 12 (18.8) | 48 (75) | 44 (68.8) | 48 (75) | 44 (68.8) | 52 (81.3) | |
| Ceftazidime | R(112) | 40 (35.7) | 20 (17.9) | 92 (82.1) | 92 (82.1) | 64 (57.1) | 48 (42.9) | 108 (96.4) |
| S(136) | 36 (26.5) | 32 (23.5) | 112 (82.4) | 92 (67.6) | 92 (67.6) | 76 (55.9) | 124 (91.2) | |
| Ceftriaxone | R(160) | 56 (35) | 32 (20) | 136 (85) | 128 (80) | 100 (62.5) | 68 (42.5) | 152 (95) |
| S(88) | 20 (22.7) | 20 (22.7) | 68 (77.3) | 56 (63.6) | 56 (63.6) | 56 (63.6) | 80 (90.9) | |
| Nitrofurantoin | R(24) | 16 (66.7) | 0 (0) | 16 (66.7) | 24 (100) | 8 (33.3) | 8 (33.3) | 24 (100) |
| S(224) | 60 (26.8) | 188 (83.3) | 160 (71.4) | 148 (66.1) | 148 (51.8) | 116 (51.8) | 208 (92.9) | |
| Cotrimoxazole | R(176) | 52 (29.5) | 32 (18.2) | 144 (81.8) | 128 (72.7) | 108 (61.4) | 84 (47.7) | 164 (93.2) |
| S(72) | 24 (33.3) | 20 (27.8) | 60 (83.3) | 56 (77.8) | 48 (66.7) | 40 (55.6) | 68 (94.4) | |
R Resistant, S Sensitive