Carnitine deficiency is associated with decreased exercise activity in hemodialysis patients

Table 2 Univariate and multiple stepwise regression analysis for the TUG

Variables	Univariate			Multiple stepwise regression
Variables	β	SE	P value	β	SE	P value
Age	.341	.022	0.039
Sex	− .008	.627	0.963
BMI	.064	.078	0.707
HD duration	− .215	.005	0.201
Hemoglobin	.359	.186	0.029
Serum albumin	− .111	1.275	0.518
AST	−.010	.041	0.954
ALT	.095	.042	0.577
BUN	− .389	.020	0.017
Serum Cr	− .607	.105	0.001	− .501	.107	0.001
Uric acid	− .393	.182	0.016
Corrected Ca	− .036	.515	0.834
Phosphate	− .262	.226	0.117
Total chol	− .475	.009	0.003	− .293	.008	0.041
HDL-chol	− .267	.022	0.111
LDL-chol	− .415	.013	0.011
Triglycerides	− .072	.003	0.670
CRP	− .139	1.058	0.413
Whole PTH	− .156	.003	0.355
NT-pro BNP	.429	.000	0.008
Free carnitine	− .347	.040	0.035
Kt/V	.101	.887	0.553

β standardized regression coefficients, SE standard error. r² = 0.443
TUG time-up-and-go test, BMI body mass index, AST aspartate transaminase, ALT alanine amino transferase, BUN blood urea nitrogen, HD hemodialysis, Cr creatinine, Ca calcium, Total chol total cholesterol, HDL-chol high-density lipoprotein cholesterol, LDL-chol low-density lipoprotein cholesterol, CRP C-reactive protein, Whole PTH whole parathyroid hormone, NT-pro BNP N-terminal pro B-type natriuretic peptide,

ISSN: 2059-1381