Table 1.

Incidence and Mortality Rates (Number of Cases in 100,000) by Age of Colorectal Cancer Patients, 2007-2017

Variables	Overall, n=6,172	Year											Time-series analysis
		2007 n=426	2008 n=575	2009 n=590	2010 n=601	2011 n=537	2012 n=536	2013 n=548	2014 n=553	2015 n=618	2016 n=634	2017 n=554	β	P-value	Trend
Incidence (in 100,000)
Under-50 group
CR	24.96	1.84	2.54	2.26	2.71	1.84	2.07	2.29	2.54	2.38	2.21	2.26	0.011	0.700	Stable
ASR	25.23	1.85	2.57	2.26	2.72	1.87	2.12	2.30	2.58	2.41	2.26	2.29	0.014	0.618	Stable
Above-50 group
CR	147.54	10.06	13.53	14.23	14.09	13.16	12.91	13.02	12.91	14.90	15.51	13.22	0.211	0.118	Stable
ASR	169.86	11.61	15.64	16.55	16.19	15.18	14.92	15.02	14.86	16.86	17.76	15.28	0.227	0.137	Stable
Mortality (in 100,000)
Under-50 group
CR	12.02	0.87	1.31	1.20	1.54	1.03	1.17	1.23	1.51	1.09	0.75	0.31	-0.048	0.168	Stable
ASR	12.17	0.87	1.34	1.20	1.53	1.05	1.20	1.24	1.54	1.11	0.78	0.30	-0.048	0.168	Stable
Above-50 group
CR	81.64	7.32	9.70	10.28	9.31	8.44	8.13	7.24	6.74	6.99	5.23	2.26	-0.047	0.182	Stable
ASR	95.57	8.57	11.39	12.14	10.85	9.92	9.55	8.46	7.81	8.07	6.13	2.68	-0.540	0.003	Decreasing

CR, crude rate; ASR, age-standardized rate.