From: CagL polymorphisms D58/K59 are predominant in Helicobacter pylori strains isolated from Mexican patients with chronic gastritis
CagL polymorphisms
vacA genotype
p value
s1/m1
n = 31
s1/m2
n = 1
s2/m2
N58/E59
2 (6.5%)
0
N58/K59
3 (9.7%)
D58/K59
25 (80.6%)
1 (100%)
< 0.05*
D58/E59
1 (3.2%)