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Table 3 Reference regression equation of coronary artery Echocardiography based on the BSAste and BSAhay formulas

From: Establishing an appropriate Z score regression equation for Chinese pediatric coronary artery echocardiography: a multicenter prospective cohort study

BSA method

Coronary

artery

regression equation

R2

RSE

AIC

BSAste

LCA

lny = 1.0042 + 0.3494ln x

0.6779

0.114

−932.57

LAD

lny = 0.8013 + 0.3448ln x

0.6414

0.120

−849.8

RCA

lny = 0.8107 + 0.3098lnx

0.4806

0.150

−604

BSAhay

LCA

lny = 1.0084 + 0.3740lnx

0.6823

0.115

−938.7

LAD

lny = 0.8063 + 0.3697lnx

0.6503

0.119

−858.8

RCA

lny = 0.8040 + 0.3291lnx

0.4815

0.150

−598.2