Prospective study of Helicobacter pylori seropositivity and cardiovascular diseases in a general elderly population
- 3 May 1997
- Vol. 314 (7090) , 1317
- https://doi.org/10.1136/bmj.314.7090.1317
Abstract
We performed a prospective study on people from the Helsinki aging study. From the Helsinki census register random cohorts of people alive in July 1988 and born in 1904, 1909, and 1914 (300 in each group, 11.2% of the total population of 8035) were invited to participate; 795 people were alive and still living in the city of Helsinki. Altogether 144 refused to participate, leaving 651 (81.9%) people to be examined clinically up to April 1990. H pylori IgG, IgA, and IgM antibodies were tested by enzyme immunoassays3 in 624 subjects (repeatibility of the test expressed as intraclass correlation coefficient κ=0.95).Keywords
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