Retrospective Cohort Study
Copyright ©The Author(s) 2019.
World J Gastrointest Oncol. Nov 15, 2019; 11(11): 1011-1020
Published online Nov 15, 2019. doi: 10.4251/wjgo.v11.i11.1011
Table 1 Age distribution of the study cohorts
Early-onset CRCLater-onset CRCControl
N57106301011800420
Age, n (%)
25-29260 (5)-2336260 (20)
30-34480 (8)-2469830 (21)
35-39830 (15)-2409750 (20)
40-441400 (25)-2187280 (19)
45-492740 (48)-2348440 (20)
50-54-4370 (7)-
55-59-6210 (10)-
60-64-7400 (12)-
65-69-8550 (14)-
70-74-8920 (14)-
75-79-8400 (13)-
80-84-7290 (12)-
85-89-5830 (9)-
90+-4750 (8)-