Basic Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Mar 21, 2017; 23(11): 1980-1989
Published online Mar 21, 2017. doi: 10.3748/wjg.v23.i11.1980
Table 2 Effect of the antibiotic pressure on the virulence-associated genotypes of Helicobacter pylori isolates obtained from 10 Colombian patients with treatment failure
GenotypeBefore treatment (n = 22)After treatment (n = 22)P vaule
cagA
Positive2 (9.1)17 (77.3)0.000
Mixed20 (90.9)5 (22.7)
vacA
s1m117 (22.7)21 (95.5)0.125
s2m25 (77.3)1 (4.5)