Table 3. The relationship between clinico-pathological variables and survival in patients undergoing potentially curative resection for colorectal cancer; multivariate survival analysis.

	Cancer-specific survival		Overall survival
Variable	Hazard ratio (95% CI)	P-value	Hazard ratio (95% CI)	P-value
Age	1.46 (1.10, 1.94)	<0.001	1.64 (1.32, 2.05)	<0.001
Smoking	1.46 (0.92, 2.32)	0.10	1.52 (1.06, 2.18)	0.02
Presentation	2.08 (0.91, 4.76)	0.08	1.70 (0.84, 3.45)	0.14
Dukes	2.39 (1.59, 3.59)	<0.001	1.64 (1.22, 2.20)	<0.001
mGPS	1.78 (1.32, 2.41)	<0.001	1.60 (1.26, 2.02)	<0.001
POSSUM physiology score	1.38 (1.05, 1.82)	0.02	1.27 (1.02, 1.58)	0.03

Abbreviations: CI=confidence interval; mGPS=modified Glasgow Prognostic Score; POSSUM=physiological and operative severity score for the enumeration of mortality and morbidity.