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Table 3 Logistic regression models including gastric cancer or first-degree relative of gastric cancer patients as variables dependent in comparison with gastritis and oipA, age and gender as independent variables

From: oipA “on” status of Helicobacter pylori is associated with gastric cancer in North-Eastern Brazil

Variables Univariate Multivariate
P value OR 95% CI P value
Gastric cancera
 Increasing age 0.06 1.08 1.03–1.14 0.003
 Gender 0.74    
oipA + status “on” 0.013 9.20 1.45–58.48 0.02
Relatives of GCb
 Increasing age 0.70
 Gender 0.09 4.61 1.22–17.74 0.02
oipA + status “on” 0.003 14.75 2.53–86.13 0.003
  1. +, positive; OR, odds ratio; CI, confidence interval; Relatives of GC, first-degree relatives of gastric cancer patients. The Hosmer-Lemeshow tests showed good fitness of the logistic regression model a(P = 0.46; 8 degrees of freedom; 9 steps) and b(P = 0.42; 8 degrees of freedom; 9 steps)