Table 2. CRC distribution patterns in the colon.

CRCs	Control group	Current group	P value
CRC anatomic subsites, n (%)
Cecum	347 (11.9)	313 (11.3)	0.583
Ascending	354 (12.1)	343 (12.4)	0.806
Hepatic flexure	155 (5.3)	111 (4.0)	0.032
Transverse	141 (4.8)	159 (5.8)	0.157
Splenic flexure	58 (2.0)	38 (1.4)	0.097
Descending	150 (5.1)	142 (5.1)	0.954
Sigmoid	794 (27.2)	676 (24.4)	0.074
Recto-sigmoid junction	110 (3.8)	190 (6.9)	≤0.001
Rectum	745 (25.5)	764 (27.6)	0.178
“Left”	3 (0.1)	6 (0.2)	N/A
“Right”	38 (1.3)	17 (0.6)	N/A
NOS	25 (0.9)	6 (0.2)	N/A
Summary of CRC anatomic locations, n (%)
Proximal	701 (24.0)	656 (23.7)	0.869
Right-sided	1,035 (35.4)	943 (34.1)	0.477
Distal	1,649 (56.5)	1,630 (59.0)	0.338
Left-sided	1,860 (63.7)	1,816 (65.7)	0.483
Total CRCs, n	2,920	2,765	N/A

CRC, colorectal cancer; n, number; NOS, not otherwise specified; N/A, not applicable.