Table 3. Logistic regression for influence factors of downgrading MELD.

	Univariable analysis		Multivariable analysis
	Odds ratio (95% CI)	P	Odds ratio (95% CI)	P
Age >40 y (vs. ≤40 y)	0.292 (0.112–0.759)	0.012	0.240 (0.076–0.760)	0.015
Hepatic encephalopathy (yes vs. no)	0.400 (0.162–0.986)	0.047
Hepatorenal syndrome (yes vs. no)	0.250 (0.088–0.708)	0.009
Infection (yes vs. no)	0.250 (0.088–0.708)	0.009
Interval from last ALSS to LT >48 h (vs. ≤48 h)	0.307 (0.106–0.888)	0.029	0.261 (0.083–0.824)	0.022

Abbreviations: ALSS, artificial liver support system; CI, confidence interval; MELD, model for end-stage liver disease; LT, liver transplantation.