Shunting branch of portal vein and stent position predict survival after transjugular intrahepatic portosystemic shunt

Table 3 Risk factors from the multivariate analyses

Variable	Multivariate analysis
	HR	95%CI	P value
Hepatic encephalopathy
Age	1.02	1.01-1.04	0.001
INR	2.01	1.15-3.50	0.014
Child-Pugh score	1.17	1.05-1.31	0.004
MELD	1.06	1.01-1.11	0.021
Shunting branch of the PV (right/left)	1.59	1.10-2.30	0.014
Reduction ratio of PSG (%)	1.01	1.00-1.03	0.009
Shunt dysfunction
Previous splenectomy (yes/no)	1.76	1.16-2.67	0.008
Initial stent position (sub-optimal/optimal)	2.30	1.57-3.35	< 0.001
Survival
Ascites (yes/no)	1.87	1.13-3.08	0.014
INR	2.31	1.34-3.98	0.003
Shunting branch of the PV (right/left)	1.92	1.30-2.84	0.001
Initial stent position (sub-optimal/optimal)	1.68	1.12-2.50	0.011
Child-Pugh score	1.27	1.13-1.43	< 0.001
MELD	1.09	1.03-1.14	0.003
HE within six months (yes/no)	1.54	1.02-2.35	0.043
Shunt dysfunction within 6 mo (yes/no)	2.48	1.47-4.19	0.001

INR: International normalized ratio; PV: Portal vein; MELD: Model for end-stage liver diseases; HE: Hepatic encephalopathy; PSG: Portosystemic pressure gradient.