GASTRIC-CANCER IN GWYNEDD - POSSIBLE LINKS WITH BRACKEN

被引:56
作者
GALPIN, OP [1 ]
WHITAKER, CJ [1 ]
WHITAKER, R [1 ]
KASSAB, JY [1 ]
机构
[1] UNIV COLL N WALES,CTR APPL STAT,BANGOR LL57 2UW,GWYNEDD,WALES
关键词
D O I
10.1038/bjc.1990.165
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
One hundred and one histologically confirmed gastric cancer patients in Gwynedd, North Wales, were matched by sex, age and social class to two hospital inpatients without cancer. Seventy-seven of the gastric cancer cases were also matched, using the same criteria, to a patient with a confirmed cancer of a different site (excluding oesophagus). A questionnaire was used to determine bracken exposure and source of water in childhood. Residential and occupational histories were obtained and the consumption of buttermilk, a potential vector of the bracken carcinogens, was quantified. Comparison of the gastric cancer patients with the non-cancer controls indicated that exposure to bracken in childhood had an increased risk (RR = 2.34, P< 0.001) compared to no exposure and that length of residence in Gwynedd was associated with increased risk (RR = 2.46 for durations of 61 years and over, P<0.01). Consumption of buttermilk in childhood and adulthood was attended by increased risk (RR=1.61 and 1.86 respectively, the latter being statistically significant, P^O.OS). Neither the residence effect nor consumption of buttermilk in adulthood remained significant when considered in a multivariate analysis with bracken exposure. © The MacMillan Press Ltd., 1990.
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页码:737 / 740
页数:4
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