Table 4:

Multivariable models for LOS in NASH and ALD cohorts

NASH	Change in average LOS*	95% CI	p-value
Age (per 10 yrs)	2.85	(−1.17, 6.86)	0.16
Sex (F vs M)	−1.41	(−8.67, 5.86)	0.70
MELD Score (per 1 point)	0.19	(−0.29, 0.68)	0.42
BMI (per 1 kg/m2)	0.46	(−0.09, 1.01)	0.10
Muscle mass (per 1 cm2/m2)	−0.28	(−0.78, 0.21)	0.25
Myosteatosis (per HU)	0.10	(−0.32, 0.52)	0.65
Frailty deficit index (per 0.1 unit)	2.72	(−0.01, 5.45)	0.05
ALD	Change in average LOS*	95% CI	p-value
Age (per 10 yrs)	1.43	(−2.23, 5.09)	0.44
Sex (F vs M)	−3.90	(−11.19, 3.40)	0.29
MELD Score (per 1 point)	0.31	(−0.29, 0.91)	0.31
BMI (per 1 kg/m2)	−0.79	(−1.62, 0.04)	0.06
Muscle mass (per 1 cm2/m2)	0.21	(−0.28, 0.69)	0.40
Myosteatosis (per HU)	−0.35	(−0.77, 0.07)	0.10
Frailty deficit index (per 0.1 unit)	1.76	(−1.18, 4.70)	0.24

^*The estimated difference in LOS (i.e. for age: For every 10-year increase in age the average LOS increases by 2.85 days and 1.43 days in patients with NASH and ALD, respectively); LOS- length of stay