Table 3.

Estimated odds ratios (OR) and 95% confidence intervals (CIs) on stage, T, N, M in left- and right-sided colon and rectal adenocarcinoma patients

	STAGE		T		N		M
	P	OR (95% CI)	P	OR (95% CI)	P	OR (95% CI)	P	OR (95% CI)
Age at diagnosis	<.0001		0.03		<.0001		<.0.01
<50		1.80 (1.41-2.29)		1.15 (0.91-1.45)		1.93 (1.54-2.42)		1.88 (1.40-2.52)
50-59		1.50 (1.24-1.81)		1.27 (1.07-1.50)		1.65 (1.38-1.97)		1.33 (1.05-1.68)
60-69		1.30 (1.11-1.51)		1.22 (1.06-1.40)		1.46 (1.26-1.69)		1.27 (1.04-1.54)
70-79		1.17 (1.01-1.37)		1.17 (1.02-1.33)		1.15 (1.00-1.33)		1.22 (1.01-1.48)
80+		1.00		1.00		1.00		1.00
Gender	0.39		0.51		0.42		0.19
Female		0.96 (0.87-1.06)		0.96 (0.86-1.08)		1.01 (0.92-1.13)		0.91 (0.80-1.05)
Male		1.00		1.00		1.00		1.00
Side	<.0001		<.0001		<.0001		0.25
Right-side		1.45 (1.28-1.64)		3.30 (2.89-3.77)		1.60 (1.42-1.80)		1.14 (0.98-1.34)
Ascending		1.45 (1.26-1.67)		3.07 (2.65-3.56)		1.72 (1.51-1.97)		1.13 (0.95-1.35)
Transverse		1.45 (1.21-1.72)		3.84 (3.15-4.68)		1.38 (1.17-1.63)		1.17 (0.94-1.46)
Left-side		1.19 (1.03-1.36)		2.12 (1.85-2.43)		1.16 (1.01-1.32)		1.08 (0.91-1.28)
Descending		1.56 (1.13-2.15)		2.70 (1.90-3.84)		1.48 (1.11-1.99)		0.95 (0.63-1.42)
Sigmoid		1.15 (0.99-1.32)		2.06 (1.79-2.37)		1.12 (0.98-1.28)		1.10 (0.92-1.31)
Rectum		1.00		1.00		1.00		1.00

ORs additionally adjusted for socioeconomic status, medical region and first-degree family history of CRC.

P refers to the overall P value of the variable in the model and the significant P values and ORs are shown in bold.