Research Article
Evaluation of the Appropriate Age Range of Colorectal Cancer Screening Based on the Changing Epidemiology in the Past 20 Years in Taiwan
Table 1
Proportion of CRC for different age groups in the four study periods.
| Age range | | | 1988–1992 | 1993–1997 | 1998–2002 | 2003–2007 |
| <50 | Male | N | 1457 | 2034 | 2919 | 3346 | % | 16.97 | 14.95 | 13.98 | 12.27
| Female | N | 1324 | 1881 | 2815 | 3179 | % | 20.95 | 18.39 | 17.97 | 15.48 |
| 50–74 | Male | | 5971 | 9108 | 12894 | 15812 | % | 69.53 | 66.97 | 61.74 | 57.99 | Female | | 4090 | 6320 | 8840 | 11577 | % | 64.72 | 61.79 | 56.43 | 56.37 |
| 75–84 | Male | N | 1057 | 2300 | 4336 | 6769 | % | 12.31 | 16.91 | 20.76 | 24.82 | Female | N | 807 | 1813 | 3247 | 4449 | % | 12.77 | 17.72 | 20.73 | 21.66 |
| >85 | Male | N | 103 | 160 | 736 | 1342 | % | 1.20 | 1.18 | 3.52 | 4.92 | Female | N | 99 | 215 | 764 | 1332 | % | 1.57 | 2.10 | 4.88 | 6.49 |
| Sum | Male | N | 8588 | 13602 | 20885 | 27269 | Female | N | 6320 | 10229 | 15666 | 20537 |
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