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Table 4 Decade of birth as an independent risk factor of H pylori seropositivity (multivariate logistic regression analysis).

From: Helicobacter pylori (H pylori) infection in Greece: the changing prevalence during a ten-year period and its antigenic profile

  1987 1997
Year of patients' birth Odds ratio 95% CI p Odds ratio 95% CI p
> 1953 1    1   
1943–1952 2.49 1.01 – 6.14 0.047 2.08 1.00 – 4.34 0.050
1933–1942 4.54 1.71 – 12.03 0.002 3.57 1.67 – 7.62 0.001
1923–1932 2.47 1.07 – 5.73 0.035 2.87 0.96 – 8.56 0.058
< 1923 1.69 0.70 – 4.06 0.24 2.08 0.10 – 28.38 0.704