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Table 4 Final regression analysis using model for calculation of z score, Outcome = β0 + β1*BSA + β2*BSA^2 + β3*sex

From: Normal right and left ventricular volumes prospectively obtained from cardiovascular magnetic resonance in awake, healthy, 0- 12 year old children

Measurement

R^2

RMSE

β0

β1

β2

β3

LVEDV

0.943

7.833

−15.03043

98.49337

−4.022686

5.115424

LVESV

0.872

4.591

−5.676169

37.48608

−1.767246

2.037896

LVSV

0.943

4.892

−9.354262

61.00728

−2.255442

3.077528

LVCO

0.786

705.779

−54.81287

5073.386

− 697.3501

173.8217

LV Mass

0.878

6.715

−1.310437

36.1225

9.161217

2.926009

RVEDV

0.94

8.736

−14.83598

89.43943

5.66115

5.666917

RVESV

0.882

5.496

−5.44392

28.04597

8.750498

2.760762

RVSV

0.927

5.464

−9.392059

61.39346

−3.089348

2.906154

RVCO

0.776

710.172

−59.11051

5082.184

− 756.974

172.5073

  1. *Note: Sex is coded 1 for male, 0 for female, thus β3 is added for males and is omitted for females