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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