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. 2001 Sep 1;85(5):658-60.
doi: 10.1054/bjoc.2001.1927.

Risk of betel chewing for oesophageal cancer in Taiwan

M T Wu  1 , Y C Lee, C J Chen, P W Yang, C J Lee, D C Wu, H K Hsu, C K Ho, E L Kao, J M Lee
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Free PMC article

Risk of betel chewing for oesophageal cancer in Taiwan

M T Wu et al. Br J Cancer. .
Free PMC article

Abstract

Among 104 cases of squamous-cell oesophageal carcinoma patients and 277 controls in Taiwan, after adjusting for cigarette smoking, alcohol consumption, and other confounders, we found that subjects who chewed from 1 to 495 betel-year and more than 495 betel-years (about 20 betel quid per day for 20 years) had 3.6-fold (95% Cl = 1.3-10.1) and 9.2-fold risk (95% Cl = 1.8-46.7), respectively, of developing oesophageal cancer, compared to those who did not chew betel.

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