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Table 1 Distribution of genes encoding virulence factors among KTP and non-KTP isolates

From: Molecular epidemiology of blaCTX-M gene-producing uropathogenic Escherichia coli among Iranian kidney transplant patients: clonal dissemination of CC131 and CC10

Function

Virulence factor

Total (n = 111)

No. (%)

KTP (n = 46)

No. (%)

Non-KTP (n = 65)

No. (%)

P-value

Miscellaneous

PAI

62 (55.9)

28 (60.9)

34 (52.3)

0.37

Adhesions

Sfa

54 (48.6)

24 (52.2)

30 (46.2)

0.53

Pap G I

43 (38.7)

24 (52.2)

19 (29.2)

0.01

Pap G II

–

–

–

–

Pap G III

31 (27.9)

15 (32.6)

16 (24.6)

0.35

afa

17 (15.3)

6 (13)

11 (16.9)

0.57

fim H

104 (93.7)

43 (93.5)

61 (93.8)

0.93

Toxins

hyl A

9 (8.1)

2 (4.3)

7 (10.8)

0.3

cnf

–

–

–

–

Siderophores

iutA

72 (64.9)

27 (58.7)

45 (69.2)

0.25

chuA

80 (72.1)

34 (73.9)

46 (70.8)

0.71

VF score (mean, median, range)

–

4.82 ± 1.3, 5(2–9)

4.97 ± 1.2, 5 (2–8)

4.72 ± 1.35, 5 (2–9)

0.31

Phylogenetic groups

B2

43 (38.7)

18 (39.1)

25 (38.5)

0.94

D

21 (18.9)

10 (21.7)

11 (16.9)

0.52

A

15 (13.5)

9 (19.6)

6 (9.2)

0.1

B1

10 (9)

3 (6.5)

7 (10.8)

0.51

C

6 (5.4)

0

6 (9.2)

0.03

E

5 (4.5)

1 (2.2)

4 (6.2)

0.31

F

4 (3.6)

2 (4.3)

2 (3.1)

0.72

Non

7 (6.3)

3 (6.5)

4 (6.2)

0.93

  1. Values are mean ± SD for continuous and frequency (percentage) for categorical data. P-values resulted from Chi-Squared and ANOVA for categorical and continuous data, respectively