Table 7

Cases only: H. pylori antibody titres by cancer stage

Antigen and cancer stageQuartile groupORa (95% CI)P
Q1Q2Q3Q4
Dutch strains
Early4613100.007
0.19 (0.06–0.65)
Late24171013
French strains
Early4513100.009
0.17 (0.04–0.63)
Late18141210
Venezuelan strains
Early589100.05
0.28 (0.08–0.97)
Late2011149
Commercial kit
Early465140.01
0.21 (0.06–0.72)
Late30282325
CagA
Early5118150.04
0.36 (0.14–0.95)
Late54475145
  • a OR between top and bottom quartile groups (baseline = Q1) according to a trend model, controlling for age and sex.