Table 2.

Seroprevalence to CagA and the intensity of IgG antibody response is associated with gastric cancer risk in Mexican patients

CasesControlsOdds ratio (95% confidence interval)*Odds ratio (95% confidence interval)
CagA, seroprevalence
    Negative451551.01.0
    Positive1662992.00 (1.35-2.96)2.04 (1.37-3.02)
CagA, intensity of antibody response
    0.506-1.20281131.01.0
    1.21-2.34491141.84 (1.07-3.19)1.87 (1.08-3.23)
    2.35-6.26651142.45 (1.44-4.15)2.50 (1.47-4.25)
    6.26-37.76691132.49 (1.47-4.22)2.53 (1.49-4.30)
    Ptrend0.0010.0001
  • * Adjusted by age, gender, residence, energy, change in socioeconomic level and years of education.

  • Adjusted by age, gender, residence, energy, change in socioeconomic level, years of education, and nitrite and ascorbic acid consumption. Taken from Lopez-Carrillo et al. (8), with permission from Elsevier.