Table 2.

Comparisons of physical function with muscle quality (EI) and muscle quantity (CSA) in patients on hemodialysis

	Model 1		Model 2		Model 3
	β (SE)	P-value	β (SE)	P-value	β (SE)	P-value
HGS (kg)
EI	− 0.207 (0.047)	< 0.001	− 0.171 (0.046)	< 0.001	− 0.090 (0.047)	0.061
CSA	2.527 (0.479)	< 0.001	1.912 (0.500)	< 0.001	1.393 (0.483)	0.005
Gait speed (m/s)
EI	− 0.002 (0.001)	0.028	− 0.002 (0.001)	0.017	− 0.002 (0.001)	0.130
CSA	0.030 (0.010)	0.003	0.035 (0.011)	0.002	0.030 (0.011)	0.009
STS-60 (repetitions)
EI	− 0.136 (0.049)	0.006	− 0.150 (0.050)	0.003	− 0.081 (0.051)	0.119
CSA	0.892 (0.497)	0.075	1.131 (0.539)	0.038	0.747 (0.522)	0.156
	Odds ratio (95% CI)	P-value	Odds ratio (95% CI)	P-value	Odds ratio (95% CI)	P-value
Dependency in IADL
EI	1.070 (1.030–1.1112)	0.001	1.100 (1.049–1.155)	< 0.001	1.086 (1.033–1.141)	0.001
CSA	0.569 (0.376–0.860)	0.008	0.369 (0.216–0.633)	< 0.001	0.438 (0.255–0.755)	0.003

Multiple linear regression for continuous outcomes and logistic regression for dichotomous outcomes. Model 1: EI + CSA; Model 2: EI + CSA + sex; Model 3: EI + CSA + sex + age + dialysis duration

HGS Handgrip strength, EI Echo intensity, CSA Cross-sectional area, STS-60 Sit-to-stand 60 s, IADL Instrumental activities of daily living