Table 3.

Univariable and multivariable Cox regression

	HR	95% CI	p Value
Univariable regression
Tumour size, ≤4.3 cm, >4.3 cm	1.51	1.07 to 2.13	0.020
Liver metastases, no, yes	2.35	1.63 to 3.38	<0.001
Performance status, bad (no chemotherapy), good (chemotherapy started)	0.56	040 to 0.81	0.002
Age, ≤65 years, >65 years	0.93	0.67 to 1.30	0.690
Age groups
40	1
50	2.29	0.53 to 9.91	0.269
60	1.66	0.40 to 6.87	0.481
70	1.41	0.34 to 5.79	0.638
80	1.55	0.38 to 6.38	0.541
90	3.69	0.77 to 17.5	0.102
Sex, male, female	0.93	0.70 to 1.25	0.689
CRP	1.001	0.99 to 1.00	0.176
Multivariable regression
Tumour size, ≤4.3 cm, >4.3 cm	1.43	1.01 to 2.04	0.048
Liver metastases, no, yes	3.26	2.16 to 4.92	<0.001
Performance status, bad (no chemotherapy), good (chemotherapy started)	0.37	0.25 to 0.55	<0.001

CRP, C reactive protein.