Table 2.

Multivariate Cox regression analysis of prognostic factors for progression-free survival and overall survival (visceral fat area as categorized variate).

Clinical characteristics	Progression-free survival		Overall survival
	Hazard ratio(95% CI)	p	Hazard ratio(95% CI)	p
Gender	4.010(0.940-17.117)	0.061	0.881(0.184-4.218)	0.874
Age	1.060(1.001-1.123)	0.046	1.027(0.970-1.088)	0.360
Liver metastasis	0.336(0.140-0.806)	0.015	0.318(0.121-0.837)	0.020
Lung metastasis	0.408(0.066-2.509)	0.333	0.822(0.126-5.373)	0.838
Ascites and/or pleural effusion	0.261(0.087-0.784)	0.017	0.274(0.074-1.015)	0.053
Visceral fat area	0.160(0.048-0.532)	0.003	0.294(0.091-0.945)	0.040
Skeletal muscle area	1.017(0.991-2.509)	0.199	0.999(0.970-1.029)	0.938