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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