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Table 1 Prevalence of cag PAI genes and babA in H. pylori isolates from gastritis and gastric cancer patients.

From: Association of LEC and tnpA Helicobacter pylori genes with gastric cancer in a Brazilian population

Genes

Controls

(n = 34)

Gastric cancer

(n = 34)

P value

OR

95% CI

cagA

8 (23.5%)

12 (35.3%)

P = 0.287

1.77

0.61-5.11

cagE

24 (70.6%)

22 (64.7%)

P = 0.604

0.76

0.27-2.11

cagM

8 (23.5%)

6 (17.6%)

P = 0.549

0.69

0.21-2.27

cagT

16 (47.1%)

16 (47.1%)

P = 1.000

1.00

0.38-2.59

ap cag

20 (58.8%)

23 (67.6%)

P = 0.451

1.46

0.54-3.94

LEC

4 (11.8%)

20 (58.8%)

P < 0.0001

10.71

3.07-37.28

tnpA

10 (29.4%)

25 (73.5%)

P < 0.0001

6.66

2.30-19.25

tnpB

1 (2.9%)

2 (5.9%)

P = 0.551

2.06

0.17-23.88

babA

22 (64.7%)

14 (41.2%)

P = 0.052

0.38

0.14-1.01

  1. P < 0.0001 by Fisher's exact probability test