Paediatrics Echo z-score Paediatrics Echo z-score Height (cm) Weight (kg) BSA override (m^2) BSA formula Haycock (default) Mosteller Du Bois Gehan-George Sex Male Female Z-score model PHN / Lopez 2017 (multi-param) Kobayashi (coronaries) Reference PHN Echocardiographic Z-Scores (Lopez et al., 2017): z from indexed mu & SD; +/-2 SD in raw units. Computed BSA BSA — Parameter Value Unit z +/-2 SD