Table 2. Absolute and relative incidence of colorectal cancer in North Rhine-Westphalia, Germany, 2008–2019.

	Younger patients				Older patients				Total
	Males		Females		Males		Females
	n	%	n	%	n	%	n	%	n	%
Total	8749	100	7047	100	80,225	100	71,898	100	167,919	100
ICD-O-3 localizations
Proximal colon	1869	21.4	1475	20.9	21,996	27.4	26,293	36.6	51,633	30.7
Distal colon	2162	24.7	2070	29.4	20,691	25.8	15,762	21.9	40,685	24.2
Rectum	4122	47.1	2986	42.4	29,529	36.8	20,306	28.2	56,943	33.9
Overlapping sites of colon	44	0.5	30	0.4	462	0.6	528	0.7	1064	0.6
Not otherwise specified	552	6.3	486	6.9	7547	9.4	9009	12.5	17,594	10.5
Histological groups
Adenocarcinomas	7730	88.4	6189	87.8	70,639	88.1	60,442	84.1	145,000	86.4
Neuroendocrine tumors	375	4.3	348	4.9	978	1.2	925	1.3	2626	1.6
Other unspecified malignant neoplasms	596	6.8	437	6.2	8404	10.5	10,225	14.2	19,662	11.7
Other specified malignant neoplasms	48	0.5	73	1.0	204	0.3	306	0.4	631	0.4
Tumor size
T1	1009	11.5	864	12.3	9481	11.8	7003	9.7	18,357	10.9
T2	844	9.6	744	10.6	8629	10.8	7591	10.6	17,808	10.6
T3	3320	37.9	2647	37.6	30,292	37.8	25,455	35.4	61,714	36.8
T4	1082	12.4	922	13.1	8252	10.3	9377	13.0	19,633	11.7
Unknown	2494	28.5	1870	26.5	23,571	29.4	22,472	31.3	50,407	30.0
Histopathological grading
G1	795	9.1	649	9.2	5844	7.3	4216	5.9	11,504	6.9
G2	5197	59.4	4205	59.7	50,580	63.0	41,163	57.3	101,145	60.2
G3/4	1802	20.6	1483	21.0	12,963	16.2	14,398	20.0	30,646	18.3
Unknown	955	10.9	710	10.1	10,838	13.5	12,121	16.9	24,624	14.7