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©The Author(s) 2000.
World J Gastroenterol. Aug 15, 2000; 6(4): 572-576
Published online Aug 15, 2000. doi: 10.3748/wjg.v6.i4.572
Published online Aug 15, 2000. doi: 10.3748/wjg.v6.i4.572
Table 1 The organic pollution indicators of drinking water and death rate from cancer
The drinking water type | Qidong in Jiangsu | Fusui in Guangxi | ||||||
Pond | Channel | River | Shallow well | Deep well | Pond | River | Deep well | |
Death rate | 61.53 | 58.17 | 41.99 | 18.80 | 0.0 | 115.05 | 37.49 | 0.0 |
Number of samples | 20 | 18 | 22 | 21 | 16 | 7 | 18 | 25 |
COD | 4.66 | 3.85 | 3.55 | 3.20 | 1.28 | 48.27 | 0.75 | 0.197 |
Humic acid | 0.43 | 0.36 | 0.28 | 0.18 | 0.08 | 0.58 | 0.18 | 0.042 |
NO3- | 14.52 | 18.20 | 21.46 | 67.91 | 1.53 | 0.74 | 0.75 | 0.480 |
NO2- | 0.54 | 0.48 | 0.38 | 0.28 | 0.04 | 0.061 | 0.008 | 0.0096 |
- Citation: Lin NF, Tang J, Ismael HSM. Study on environmental etiology of high incidence areas of liver cancer in China. World J Gastroenterol 2000; 6(4): 572-576
- URL: https://www.wjgnet.com/1007-9327/full/v6/i4/572.htm
- DOI: https://dx.doi.org/10.3748/wjg.v6.i4.572