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Table 3 Determinants of pre- and post-exercise FMD, and ΔFMD

From: Impact of acute exercise on brachial artery flow-mediated dilatation in young healthy people

Variables Univariate analysis Multivariate analysis
  β 95% CI Pvalue β 95% CI Pvalue
Pre-exercise FMD       
Age (year) 0.045 −0.361 – 0.451 0.826    
Male −2.923 −5.004 - -0.843 0.007 −2.036 −4.362 – 0.289 0.085
Exercise (3/week) −0.979 −3.239 – 1.282 0.391    
BMI (kg/m2) −0.589 −1.082 - -0.096 0.020 −0.368 −0.900 – 0.165 0.173
Cholesterol (mg/dl)* 8.928 −2.818 – 20.674 0.134 5.596 −5.974 – 17.167 0.338
Triglyceride (mg/dl)* 2.098 −3.229 – 7.426 0.435    
HDL-C (mg/dl)* 6.088 −6.538 – 18.715 0.340    
LDL-C (mg/dl)* 2.757 −5.465 – 10.980 0.506    
Post-exercise FMD       
Age (year) −0.145 −0.493 – 0.203 0.409    
Male −0.231 −2.115 – 1.653 0.807    
Exercise (3/week) 1.603 −0.315 – 3.521 0.100 2.064 0.133 – 3.995 0.037
BMI (kg/m2) −0.046 −0.487 – 0.394 0.835    
Exercise duration (sec)* −5.219 −20.414 – 9.976 0.496    
METS* 2.031 −12.282 – 16.345 0.778    
Cholesterol (mg/dl)* 11.230 1.310 – 21.150 0.027 9.985 −6.383 – 26.353 0.228
Triglyceride (mg/dl)* 0.254 −4.349 – 4.856 0.913    
HDL-C (mg/dl)* −0.704 −11.634 – 10.226 0.898    
LDL-C (mg/dl)* 6.355 −0.582 – 13.291 0.072 1.164 −10.166 – 12.493 0.838
ΔFMD (%)       
Age (year) −0.190 −0.582 – 0.201 0.336    
Male 2.692 0.665 – 4.719 0.010 1.214 −1.147 – 3.574 0.309
Exercise (3/week) 2.582 0.465 – 4.699 0.018 2.532 0.300 – 4.765 0.027
BMI (kg/m2) 0.543 0.063 – 1.023 0.027 0.425 −0.093 – 0.942 0.106
Exercise duration (sec)* 5.354 −11.775 – 22.483 0.535    
METS* 3.072 −13.048 – 19.192 0.705    
Cholesterol (mg/dl)* 2.302 −9.251 – 13.854 0.692    
Triglyceride (mg/dl)* −1.845 −7.012 – 3.323 0.479    
HDL-C (mg/dl)* −6.793 −19.005 – 5.420 0.271    
LDL-C (mg/dl)* 3.598 −4.352 – 11.547 0.370    
  1. * Logarithmic transformation was done for these variables due to skewed distribution.
  2. BMI = body mass index; CI = confidence interval; FMD = flow-mediated dilatation; HDL-C = high-density lipoprotein-cholesterol; LDL-C = low-density lipoprotein-cholesterol; METS = metabolic equivalents.