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Table 5 Univariate and multiple stepwise regression analysis for the 10-m walk test

From: Carnitine deficiency is associated with decreased exercise activity in hemodialysis patients

Variables

Univariate

Multiple stepwise regression

β

SE

P value

β

SE

P value

Age

.389

.018

0.017

   

Sex

− .143

.532

0.399

   

BMI

.075

.066

0.658

   

HD duration

.083

.004

0.625

   

Hemoglobin

−  253

.166

0.131

   

Serum albumin

1.101

− .098

0.570

   

AST

− .029

.035

0.863

   

ALT

.184

.036

0.276

   

BUN

− .340

.018

0.040

   

Serum Cr

− .606

.090

< 0.001

− .347

.088

0.013

Uric acid

− .552

.142

< 0.001

− .308

.129

0.022

Corrected Ca

−.042

.441

0.806

   

Phosphate

− .346

.189

0.036

   

Total chol

− .455

.008

0.005

   

HDL-chol

− .332

.019

0.044

   

LDL-chol

− .401

.012

0.014

   

Triglycerides

− .044

.003

0.797

   

CRP

− .900

−.182

0.282

   

Whole PTH

− .139

.003

0.412

   

NT-pro BNP

− .539

.000

0.001

.385

.000

0.002

Free carnitine

− .386

.034

0.018

   

Kt/V

.156

.755

0.357

   
  1. β Standardized regression coefficients, SE standard error. r2 = 0.149
  2. BMI body mass index, HD hemodialysis, AST aspartate transaminase, ALT alanine amino transferase, BUN blood urea nitrogen, 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