Table 4.

Uni- and multi-variate analysis of 5-year time to recurrence for 341 patients operated for tumour-nodal-metastases stage 0-III colonic cancer in a Norwegian community teaching hospital

	Unadjusted HR (95%CI)	LR test P value	Adjusted HR (95%CI)	LR test P value
Age		0.665		0.673
< 70 yr	1 (reference)		1 (reference)
> 70 yr	0.89 (0.51, 1.54)		1.15 (0.60, 2.20)
BMI	1.01 (0.94, 1.08)	0.777	1.01 (0.94, 1.08)	0.855
Operative procedure		0.696		0.367
Right hemicolectomy	1 (reference)		1 (reference)
Extended right hemicol	0.70 (0.37, 1.30)		1.96 (0.76, 5.08)
Extended left hemicol	0.97 (0.43, 2.17)		1.63 (0.51, 5.23)
Anterior resection	0.87 (0.30, 2.52)		1.85 (0.88, 3.88)
Lymph nodes	1.02 (0.98, 1.05)	0.356	1.00 (0.97, 1.05)	0.652
Positive lymph nodes	1.16 (1.09, 1.23)	< 0.001	1.21 (1.13, 1.29)	< 0.001
Anastomotic leakage		0.045		0.019
No leak	1 (reference)		1 (reference)
Leak, reoperated	2.57 (1.02, 6.47)		3.13 (1.21, 8.10)

BMI: Body mass index; LR: Likelihood ratio.