Z Scores for Pediatric Echocardiography Dimensions Adjusted for Body Size, BMI, and Age
Authors' conclusion
The proposed Z score equations may improve diagnostic and therapeutic accuracy by ensuring that body size, body mass index, and age do not confound the interpretation of measurements.
Study context
- Population
- Children without heart disease who underwent clinical echocardiography that was reported as normalreference sample of children without heart disease from 9 institutions
- Participants
- >20,000 children
- Exposure
- Proposed Z scores compared with a model that only considered body surface area
- Outcome
- Bias in subgroups of overweight, young, and early school-aged children
Methodological detailsCanadian Congenital and Pediatric Cardiology Research Network, 9 institutions
- Canadian Congenital and Pediatric Cardiology Research Network
- 9 institutions
Main finding
As reported in the abstract
- Proposed Z scores demonstrated less bias than a model that only considered body surface area in subgroups of overweight, young, and early school-aged children
Observational data: associations, not effects.
Original publication
Z Scores for Pediatric Echocardiography Dimensions Adjusted for Body Size, BMI, and Age. Circ Cardiovasc Imaging. Published 9 July 2025. doi:10.
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