A STUDY OF THE RELATION OF THE ABO BLOOD GROUPS TO PEPTIC ULCERATION AND HYPERTENSION
- 1 June 1957
- journal article
- research article
- Published by American College of Physicians in Annals of Internal Medicine
- Vol. 46 (6), 1024-1030
- https://doi.org/10.7326/0003-4819-46-6-1024
Abstract
The data available for this study consisted of 298 cases of peptic ulcer and 508 cases of hypertension among 12,904 employees in 4 locations of the du Pont Company. In each location, the proportion of persons with group O blood was greater among ulcer cases than among employees with no history of peptic ulcer. The difference in percentage of group O blood between the 2 categories of employees is about 5% (P=.07). In 3 of the 4 locations, it was found that among hypertensives there is a lower frequency of group O blood and a higher frequency of group A blood compared to non-hypertensives. The differences observed in these 3 locations range from 3.79? to 11.4%. In the entire set of data, the frequency of group A blood among the hypertensives exceeds that among the non-hypertensives by 3.7%, but the difference can be attributed to sampling error.Keywords
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