Table 1

 Univariate analysis of relationship between Helicobacter pylori genotyping and clinical outcome

GastritisDUGastric cancerp Value
DU v gastritisCancer v DUCancer v gastritis
p value was determined by Fisher’s exact test. NS, not significant (p>0.1).
DU, duodenal ulcer.
All samplesn = 80n = 80n = 40
    BabA70%84%88%0.061NS0.059
    BabB70%71%55%NSNSNS
    SabA66%44%70%0.0070.012NS
    OipA61%88%89%<0.001NS0.006
    CagA69%85%90%0.024NS0.019
Colombian samplesn = 40n = 40n = 40
    BabA68%83%88%NSNS0.059
    BabB68%73%55%NSNSNS
    SabA63%40%70%0.0730.008NS
    OipA60%90%89%0.004NS0.010
    CagA68%85%90%NSNS0.027
US samplesn = 40n = 40
    BabA73%85%NS
    BabB73%70%NS
    SabA70%48%0.069
    OipA63%85%0.041
    CagA70%85%NS