Racial differences in the anatomical distribution of colorectal cancer: a study of differences between American and Chinese patients

Table 2 Anatomic subsite distribution of colorectal cancer by race

	Men				Women				Total
	White		Oriental		White		Oriental		White		Oriental
	n	%	n	%	n	%	n	%	n	%	n	%
Cecum	57	8.6	14	1.7c	50	7.5	16	2.0c	107	16.1	30	3.7c
Ascending	45	6.8	31	3.8a	32	4.8	29	3.6	77	11.6	60	7.4b
Hepatic flexure	5	0.8	27	3.3c	2	0.3	26	3.2c	7	1.1	53	6.5c
Transverse	27	4.1	20	2.5	13	1.9	25	3.0	40	6.0	45	5.5
Splenic flexure	8	1.2	17	2.1	2	0.3	7	0.8	10	1.5	24	2.9
Descending	20	3.0	9	1.1a	11	1.7	7	0.9	31	4.7	16	2.0b
Sigmoid	63	9.5	82	10.0	54	8.1	64	7.9	117	17.6	146	17.9
Rectum	172	25.9	249	30.5c	103	15.5	193	23.7c	275	41.1	442	54.2c
Proximal	142	21.4	109	13.6c	99	14.9	103	12.6a	241	36.3	212	26.0c
Distal	255	38.4	340	41.7c	168	25.3	264	32.3a	423	63.7	604	74.0c
Total	397	59.8	449	55.0	267	44.2	367	45.0	664	100.0	816	100.0

^aP < 0.05,

^bP < 0.01,

^cP < 0.001.