Copyright
©The Author(s) 2002.
World J Gastroenterol. Jun 15, 2002; 8(3): 488-492
Published online Jun 15, 2002. doi: 10.3748/wjg.v8.i3.488
Published online Jun 15, 2002. doi: 10.3748/wjg.v8.i3.488
Table 3 Output of following with endoscopy among high-risk population with history of polyps
| Year | Expected n | Observed n (%) | Adenoma n (%) | Non-adenomatous n (%) | Colorectal cancern (1/100000) |
| 1st group | |||||
| 1979 | 2803 | 2197 (78.38) | 178 (8.10) | 104 (4.73) | 6 (273.10) |
| 1981 | 2763 | 1592 (57.62) | 61 (3.83) | 27 (1.70) | 4 (251.26) |
| 1983 | 2719 | 2147 (78.96) | 108 (5.03) | 33 (1.54) | 2 (93.15) |
| 1987* | 2689 | 2408 (89.52) | 191 (7.93) | 96 (4.00) | 4 (166.11) |
| 1993* | 2388 | 1475 (61.77) | 121 (8.20) | 52 (3.53) | 4 (271.19) |
| 1998* | 2207 | 1020 (46.22) | 95 (9.31) | 17 (1.67) | 4 (392.16) |
| 2nd group | |||||
| 1982 | 1253 | 461 (36.79) | 17 (3.69) | 6 (1.30) | 0 (0.00) |
| 1984 | 1235 | 1056 (85.51) | 49 (4.64) | 26 (2.46) | 0 (0.00) |
| 1988* | 1183 | 931 (78.70) | 64 (6.87) | 20 (2.15) | 0 (0.00) |
| 1994* | 1097 | 479 (43.66) | 33 (6.68) | 17 (3.55) | 3 (626.30) |
| 1998* | 1040 | 486 (46.73) | 36 (7.41) | 17 (3.50) | 0 (0.00) |
| Total | 1425 | 2953 (6.68) | 417 (2.93) | 27 (189.45) |
- Citation: Zheng S, Liu XY, Ding KF, Wang LB, Qiu PL, Ding XF, Shen YZ, Shen GF, Sun QR, Li WD, Dong Q, Zhang SZ. Reduction of the incidence and mortality of rectal cancer by polypectomy: a prospective cohort study in Haining County. World J Gastroenterol 2002; 8(3): 488-492
- URL: https://www.wjgnet.com/1007-9327/full/v8/i3/488.htm
- DOI: https://dx.doi.org/10.3748/wjg.v8.i3.488