CT volume measurement for prognostic evaluation of unresectable hepatocellular carcinoma after TACE

Table 1 Results of univariate Cox regression analysis

Parameter	B	χ2	SE	P	Hazard ratio
Sex	0.319	1.652	0.248	0.199	1.375
Age	-0.006	0.706	0.007	0.401	0.994
Child-Pugh classification	0.546	5.189	0.240	0.023	1.727
Pre-treatment level of AFP	0.204	0.921	0.212	0.337	1.226
Post-treatment level of AFP	-0.931	11.238	0.278	0.001	0.394
Times of repeated TACE	-0.507	20.734	0.111	< 0.001	0.602
Number of lesions	-0.218	0.954	0.223	0.329	0.804
Pattern of tumor growth	0.743	16.507	0.183	< 0.001	2.102
Tumor largest diameter	0.132	31.708	0.023	< 0.001	1.141
Tumor product of diameters	0.009	30.972	0.002	< 0.001	1.009
TV	0.001	38.448	0.000	< 0.001	1.001
TTLVR	0.662	44.113	0.100	< 0.001	1.938
Portal vein cancerous thrombus	0.304	16.869	0.074	< 0.001	1.355
Tumor metastasis	0.287	10.160	0.090	0.001	1.333
The degree of lipiodol retention	0.336	15.208	0.086	< 0.001	1.399
TSR	0.286	13.014	0.079	< 0.001	1.331
PEI	0.739	3.120	0.418	0.077	2.094

B: Regression coefficient; AFP: α-fetoprotein; TACE: Transcatheter arterial chemoembolization; TV: Tumor volume; TTLVR: Tumor to liver volume ratio; TSR: Tumor shrinkage ratio; PEI: Percutaneous ethanol injection.