Table 5 The associations between virulence genes among Escherichia coli in phylogenetic group A (n = 232)
Gene | No. (%) of isolates in phylogroup A (n = 232) | Associations of gene (OR, 95% confidence interval)*,a | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
sfa | eaeA | cnf1 | etrA | papC | hlyA | aer | faeG | rfc | sepA | ||
sfa | 223 | ns | – | – | 8.5 (0.5–148.9) | – | – | 0.2 (0.1–0.8) | – | – | – |
eaeA | 174 | – | ns | 28.4 (9.8–82.4) | 17.5 (4.1–74.2) | 9.2 (2.7–30.5) | – | – | – | – | na |
cnf1 | 122 | – | 28.4 (9.8–82.4) | ns | 65.8 (15.5–78.6) | 32.3 (9.7–107.4) | 6.4 (2.6–16.0) | 7.1 (2.71–9.2) | – | – | na |
etrA | 69 | 8.5 (0.5–148.9) | 17.5 (4.1–74.2) | 65.8 (15.5–278.6) | ns | – | 2.1 (1.0–4.2) | – | 9.1 (1.8–44.9) | na | na |
papC | 61 | – | 9.2 (2.7–30.5) | 32.3 (9.7–107.4) | – | ns | 41.8 (15.0–116.3) | 14.3 (6.2–33.1) | 62.1 (3.5–1084.4) | 14.4 (0.7–304.5) | 14.4 (0.7–304.5) |
hlyA | 39 | – | – | 6.4 (2.6–16.0) | 2.1 (1.0–4.2) | 41.8 (15.0–116.3) | ns | 5.1 (2.3–11.3) | – | – | na |
aer | 36 | 0.2 (0.1–0.8) | – | 7.1 (2.7–19.2) | – | 14.3 (6.2–33.1) | 5.1 (2.3–11.3) | ns | 23.4 (4.6–118.2) | – | na |
faeG | 9 | – | – | – | 9.1 (1.8–44.9) | 62.1 (3.5–1084.4) | – | 23.4 (4.6–118.2) | ns | na | 27.7 (1.6–484.6) |
rfc | 2 | – | – | – | – | 14.4 (0.7–304.5) | – | – | – | ns | 229 (7.7–684.3) |
sepA | 2 | – | – | – | – | 14.4 (0.7–304.5) | – | – | 27.7 (1.6–484.6) | 229 (7.7–684.3) | ns |