Table 5.

Multivariate regression analysis assessing the effectiveness of tolvaptan

Variables	HR (95%CI)	P
Reduction of urine osmolality over 25%	20.7 (3.26-132)	< 0.01
Age (yr)	1.00 (0.93-1.08)	0.91
HCV antibody positive	5.93 (1.01-34.8)	0.05
Uncontrollable liver neoplasms	0.68 (0.03-1.20)	0.21
Total bilirubin (per 1.0 mg/dL)	0.57 (0.35-0.93)	0.02
Na (per 1.0 mEq/mL)	0.99 (0.84-1.17)	0.93

HCV: Hepatitis C virus.