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Table 3 Comparison of VF scores between E. faecalis vs E. faecium

From: Improved detection of esp, hyl, asa1, gelE, cylA virulence genes among clinical isolates of Enterococci

Virulence score

E. faecalis

(n = 89)

E. faecium

(n = 51)

p value

OR

95% CI

VF score 5

(n = 0)

0 (0%)

0 (0%)

1*

–

–

VF score 4

(n = 32)

31 (34.83%)

1 (1.96%)

< 0.0001*

26.7241

3.5205–202.8634

VF score 3

(n = 28)

24 (26.96%)

4 (7.84%)

0.0124*

4.3385

1.4112–13.3377

VF score 2

(n = 38)

25 (28.08%)

13 (25.49%)

0.888*

1.1418

0.5228–2.4939

VF score 1

(n = 29)

8 (8.98%)

21 (41.18%)

< 0.0001*

0.1411

0.0565–0.3525

VF score 0

(n = 13)

1 (1.12%)

12 (23.53%)

0.000*

0.0369

0.0046–0.294

VF score*

Mean ± SD

2.854 ± 1.040

1.235 ± 0.971

< 0.0001**

–

–

  1. * Mann–Whitney U test: comparison of VF scores between E. faecalis vs. E. faecium
  2. ** Student’s t test: comparison of 2 means