Table 5.

Extended Cox proportional hazards models (n = 20)

Covariates	Univariable
	HR	95% CI	P value
13C-MBT, μg/kg/hr	0.993	0.987–0.999	0.016
13C-MBT, μg/kg/hr (standardized)	0.297	0.111–0.796	0.016
13C-MBT grade
140–315 μg/kg/hr (2) vs > 315 μg/kg/hr (1)	1.105	0.222–5.498	0.903
< 140 μg/kg/hr (3) vs > 315 μg/kg/hr (1)	8.629	1.783–41.769	0.007
< 140 μg/kg/hr (3) vs 140–315 μg/kg/hr (2)	7.807	1.646–37.033	0.010
ALBI scorea	6.421	2.205–18.696	0.001
ALBI score (standardized)a	4.051	1.813–9.052	0.001
ALBI gradea
2 vs 1	1.100	0.122–9.968	0.932
3 vs 1	18.362	1.482–227.505	0.023
3 vs 2	16.688	2.859–97.428	0.002
Child-Pugh scorea	1.641	1.211–2.223	0.001
Child-Pugh (standardized)a	2.616	1.450–4.719	0.001
Child-Pugh stagea
B vs A	11.317	0.732–174.987	0.082
C vs A	14.444	2.373–87.907	0.004
C vs B	1.276	0.103–15.827	0.849
MELD	1.282	1.077–1.526	0.005
MELD (standardized)	2.781	1.356–5.703	0.005

P values < 0.05 are marked in bold.

¹³C-MBT, ¹³C-methacetin breath test; ALBI, albumin-bilirubin; CI, confidence interval; HR, hazard ratio; MELD, Model for End-Stage Liver Disease.

^aValues of 2 patients missing.