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Table 4 Multivariate regression equation for predicting each energetic parameters

From: Vector flow mapping analysis of left ventricular energetic performance in healthy adult volunteers

Variables

ELcycle

ELsys

CE

SE

p

CE

SE

p

Intercept

−46.720

12.69701

0.0006

−41.858

17.0963

0.0182

HR

0.706

0.155377

<0.0001

0.597

0.212634

0.0073

E wave

0.403

0.08589

<0.0001

0.155

0.108463

0.1594

LVFS

   

45.328

30.81608

0.1481

Age

 

RSE 10.23956

RSE 12.92186

 

AR 2 0.4211

AR 2 0.20866

 

p < 0.0001

p < 0.0032

Variables

ELdia

KEcycle

CE

SE

p

CE

SE

p

Intercept

−39.733

18.98064

0.0417

155.307

89.26415

0.0883

HR

0.753

0.195887

0.0004

   

E wave

0.583

0.108115

<0.0001

4.495

1.317788

0.0013

LVFS

Age

0.582

0.395543

0.1479

   
 

RSE 12.70637

RSE 160.9024

 

AR 2 0.4365

AR 2 0.1783

 

p < 0.0001

p 0.0013

  1. ELcycle mean energy loss over a cardiac cycle, ELsys mean value of systolic phase energy loss, ELdia mean value of diastolic energy loss, KEcycle mean kinetic energy over a cardiac cycle in the left ventricular outflow tract, HR heart rate, LVFS left ventricular fractional shortening, CE coefficient, SE standard error, RSE residual standard error, AR 2 adjusted R 2
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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