Table 1.

Association between the efficacy of antibiotic treatment and the virulence-associated genotypes of H. pylori in Colombian patients

GenotypeBefore therapy, n (%)After unsuccessful therapy, n (%)P
CagA
    Negative10 (7.3)7 (24.1)0.01
    Positive126 (92.6)22 (75.9)
VacA
    s1123 (93.9)23 (82.1)0.05
    s28 (6.1)5 (17.9)
    m1119 (90.1)20 (74.1)0.04
    m213 (9.8)7 (25.9)
  • NOTE: Adapted from ref. (7).