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. 2021 Nov 10;20:77. doi: 10.1186/s12941-021-00481-4

Table 5.

Virulence factors of uropathogenic Escherichia coli classified by phylogenetic group

Phylogenetic group B2
(n = 276)
Phylogenetic group D
(n = 62)
p value
Adhesion molecule
 papA 186 (67.4%) 41 (66.1%) 0.848
 papEF 40 (14.5%) 7 (11.3%) 0.510
 papC 195 (70.7%) 43 (69.4%) 0.840
 papG 133 (48.2%) 28 (45.2%) 0.666
 papG allele I 1 (0.4%) 0 (0.0%) 0.999*
 papG allele II 196 (71.0%) 46 (74.2%) 0.616
 papG allele III 7 (2.5%) 0 (0.0%) 0.357*
 fimH 275 (99.6%) 56 (90.3%)  < 0.001*
 afa/draBC 38 (13.8%) 12 (19.4%) 0.263
 sfaS 15 (5.4%) 5 (8.1%) 0.385*
 sfa/focED 47 (17.0%) 0 (0.0%)  < 0.001
 bmaE 1 (0.4%) 0 (0.0%) 0.999*
 gafD 0 0
 nfaE 1 (0.4%) 2 (3.2%) 0.088*
 focG 34 (12.3%) 2 (3.2%) 0.036
Toxin
 hlyA 92 (33.3%) 4 (6.5%)  < 0.001
 cnf1 110 (39.9%) 0 (0.0%)  < 0.001
 cvaC 24 (8.7%) 0 (0.0%) 0.011*
 cdtB 0 0
Iron metabolism
 fyuA 275 (99.6%) 58 (93.5%) 0.004*
 iutA 203 (73.6%) 47 (75.8%) 0.715
Protection, Capsule
 kpsMT II 159 (57.6%) 39 (62.9%) 0.444
 kpsMT III 3 (1.1%) 2 (3.2%) 0.228*
 rfc 4 (1.4%) 1 (1.6%) 0.999*
 traT 214 (77.5%) 49 (79.0%) 0.798
Others
 PAI 245 (88.8%) 12 (19.4%)  < 0.001
 ibeA 18 (6.5%) 1 (1.6%) 0.218*
 K1 88 (31.9%) 3 (4.8%)  < 0.001
 K5 60 (21.7%) 21 (33.9%) 0.043

PAI pathogenicity island

*Fisher’s extract test