Copyright
©The Author(s) 1998.
World J Gastroenterol. Feb 15, 1998; 4(1): 45-47
Published online Feb 15, 1998. doi: 10.3748/wjg.v4.i1.45
Published online Feb 15, 1998. doi: 10.3748/wjg.v4.i1.45
Table 1 Gastric cancer mortality of Zhanggang Town according to the type of water supply (1/105) (1973-1990)
Type of water source | Male | Female | Total |
River Water | 176.91 | 57.29 | 121.05 |
(141/79699)1 | (40/69822) | (181/149521) | |
Shallow well water | 112.70 | 31.58 | 74.85 |
(320/267979) | (74/234356) | (276/502335) | |
RR | 1.57 | 1.81 | 1.62 |
χ2 | 19.88 | 9.49 | 28.79 |
P | < 0.01 | < 0.01 | < 0.01 |
- Citation: Wang ZQ, He J, Chen W, Chen Y, Zhou TS, Lin YC. Relationship between different sources of drinking water, water quality improvement and gastric cancer mortality in Changle County - A retrospective-cohort study in high incidence area. World J Gastroenterol 1998; 4(1): 45-47
- URL: https://www.wjgnet.com/1007-9327/full/v4/i1/45.htm
- DOI: https://dx.doi.org/10.3748/wjg.v4.i1.45