Table 1

 Patient details

Group H pylori status1-150 Young/old1-151 Years investigated1-152 Age1-153 M/F
1NegativeNon-elderly1970s50 (3)8/7
2NegativeNon-elderly1990s48 (3)7/7
3NegativeElderly1970s76 (1)6/6
4NegativeElderly1990s76 (2)7/7
5PositiveNon-elderly1970s46 (3)7/6
6PositiveNon-elderly1990s48 (3)7/6
7PositiveElderly1970s75 (2)7/9
8PositiveElderly1990s76 (2)6/7

  • ↵1-150 Antibody against H pylori present (positive) or absent (negative).

  • ↵1-151 Non-elderly (<65 years); elderly (>65 years).

  • ↵1-152 1970s (1971–5); 1990s (1991–5).

  • ↵1-153 Results are expressed as mean (SEM).