The IgG seroprevalence % (n), of H pylori infection in 1983 and 1994 in 2527 Danish adults, by sex and age
| Age in 1983 (y) | IgG seroprevalence % (n1-150) | ||||
|---|---|---|---|---|---|
| Men | Women | ||||
| 1983 | 1994 | 1983 | 1994 | ||
| 30 | 13.5 (43) | 12.7 (41) | 13.2 (47) | 12.4 (44) | |
| 40 | 30.5 (97) | 30.0 (97) | 26.2 (90) | 23.9 (82) | |
| 50 | 27.0 (86) | 27.2 (88) | 26.2 (83) | 27.4 (87) | |
| 60 | 28.9 (92) | 30.0 (97) | 36.4 (86) | 35.2 (83) | |
| All† | 24.9 (318) | 25.3 (323) | 24.4 (306) | 23.7 (296) | |
↵1-150 n is the number of IgG seropositive cases. †IgG seropositivity in 1994: men><women RR 1.07 (0.88–1.30).