Table 1 Frequency distribution of the vacA allele variants s and m and the cagA status for the total of study patients analyzed

From: Correlation of Helicobacter pylori virulence genotypes vacA and cagA with histological parameters of gastritis and patient's age

Genotype

Total

 

n

%

vacA s-region

 s1

86

72

 s2

26

22

 s1 and s2

8

6

vacA m-region

 m1

40

33

 m2

80

67

cagA

 Positive

86

72

 Negative

34

28

Total

120

100

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