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Table 1 Seroprevalence of H pylori antibodies (IgG) in O-87, O-97 and BD-97 groups.

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

Age Studied number H pylori IgG(+) (%)
(years) O-87 O-97 BD-97 O-87 O-97 BD-97
15–24 31 21 9 12(38.7) 3(14.2) 1(11.1)
25–34 39 33 30 20(51.3) 12(36.4) 11(36.6)
35–44 31 42 42 21(67.7) 21(50.0) 22(52.4)
45–54 32 43 27 25(78.1)† 23(53.5)† 16(59.2)
55–64 37 43 12 24(64.8) 29(67.4) 8(66.6)
> 65 30 19 17(56.7) 11(57.9)
Total 200 201 120 119(59.5)‡ 99(49.2)‡ 58(48.3)
  1. p = 0.032, ‡ p = 0.039