Table 3.

Multivariable linear mean regression analysis on CS30.

	Univariable (unadjusted) regression					Multivariable (adjusted) regression
		95% CI					95% CI
	β	Lower	Upper	P-value		β	Lower	Upper	P-value
Males
peak VO₂	0.532	0.394	0.669	<0.001		0.255	0.102	0.407	0.001
Age (years)	-0.470	-0.643	-0.297	<0.001		-0.117	-0.290	0.056	0.184
PhA (°)	2.693	1.894	3.491	<0.001		1.113	0.278	1.947	0.009
OLST (sec)	0.110	0.084	0.137	<0.001		0.063	0.034	0.091	<0.001
GS (kg)	0.290	0.184	0.395	<0.001		-0.008	-0.117	0.101	0.885
KCL (point)	-0.721	-0.911	-0.532	<0.001		-0.454	-0.649	-0.259	<0.001
Females
peak VO₂	0.551	0.375	0.726	<0.001		0.282	0.043	0.521	0.021
OLST (sec)	0.083	0.050	0.116	<0.001		0.058	0.013	0.104	0.013
peak RER	19.815	11.668	27.961	<0.001		9.070	-4.873	23.011	0.200
KCL (point)	-0.462	-0.650	-0.274	<0.001		-0.296	-0.548	-0.045	0.021
Age (years)	-0.269	-0.492	-0.045	0.019		0.093	-0.194	0.381	0.524
LVEF (%)	-0.005	-0.008	-0.003	<0.001		-0.010	-0.001	-0.000	<0.001

Multivariable linear mean regression analysis dependent variable: CS30, independent variable: peak VO₂.

CI: confidence interval, CS30: 30-Second Chair Stand Test, GS: grip strength, KCL: Kihon checklist, OLST: One-Leg Standing Time, peak RER: peak respiratory exchange ratio, peak VO₂: peak oxygen uptake, PhA: phase angle.