. Author manuscript; available in PMC: 2021 Oct 1.

Published in final edited form as: Clin Nutr. 2020 Jan 29;39(10):3056–3065. doi: 10.1016/j.clnu.2020.01.010

Table 4b -.

Multiple Linear Regression model with lower limb muscle strength (one leg extension) in the COPD patients

	Coefficients	SE	t	P value	q value
Intercept	−478.5	237.8	2.012	0.043	0.0301
HMB plasma concentration (μmol/l)	31.39	9.61	3.26	0.005	0.0105
Transcutaneous O₂ saturation (%)	7.20	2.54	2.84	0.012	0.0126
WBP Glycine (μmol/kg ffm/h)	−0.20	0.11	−2.33	0.079	0.0415

	R²= 0.79, P-value<0.0001

WBP: whole body production, HMB: 3-hydroxy-3-methylbutyrate. COPD: chronic obstructive pulmonary disease