Table 1 Prevalence of H. pylori among gastric, stool, and bile samples, as detected by PCR.

From: A comparative study of Helicobacter pylori infection in hamsters experimentally infected with liver flukes Opisthorchis felineus, Opisthorchis viverrini, or Clonorchis sinensis

 

Number of samples

H. pylori positive (ureA+)

H. pylori positive (ureA+), %

cagA+ positive

Chi-square test

p value

Colorectal feces

Uninfected

27

3

11.0

0

ND

ND

O. felineus

15

8

53.3

0

8.03

0.004 **

C. sinensis

15

11

73.3

0

15.5

0.0001 ***

O. viverrini

15

10

66.7

0

12.77

0.0004 ***

Stomach

Uninfected

27

3

11.0

0

ND

ND

O. felineus

15

2

13.3

0

0.05

0.83

C. sinensis

15

3

20.0

0

0.62

0.43

O. viverrini

12

4

33.3

0

2.79

0.09

Bile

Uninfected

5

1

20.0

0

ND

ND

O. felineus

6

4

66.7

0

2.4

0.12

C. sinensis

6

5

83.3

0

4.41

0.035 *

O. viverrini

5

4

80.0

0

3.6

0.057

  1. To compare two groups, nonparametric data were analyzed with the χ2 test. Data with p values < 0.05 were considered significant. *A difference between groups (liver fluke–infected vs. uninfected), *p < 0.05; **p < 0.001; ***p < 0.001; ND: not determined.
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