Validating Paediatric Morphometrics: body proportion measurement using photogrammetric anthropometry
-
Bas Penders
,
Ralph Brecheisen
Abstract
Background: Taking multiple anthropometric measurements for the description of body proportions in an accurate way is a time-consuming procedure that requires specific tools and skills. This is why we developed an alternative method based on digital photography for taking these measurements which is faster and easier to use, to make anthropometry more user-friendly and approachable to paediatricians.
Methods: We conducted a cross-sectional study in 54 children between 2 and 18 years of age. We compared manual measurements with photogrammetric measurements to validate our method.
Results: Inter-observer correlations of all measurements are ≥0.96 and mean differences are 0.3–0.9 cm, except for arm span. Comparison of manual to photogrammetric measurements shows mean differences of 0.6–1.3 cm, with correlations ≥0.92, except for sitting height and arm span. Correlations of ratios between methods are height/sitting height (r=0.77), biacromium/biiliacum (r=0.74) and subischial leg length/sitting height (r=0.75).
Conclusion: Photogrammetric anthropometry is faster, easier to use and provides the paediatrician with more flexibility as taking the digital photographs and performing the analysis are separated.
Acknowledgments
The development of the photogrammetric software was supported by a grant from Ferring Pharmaceuticals. Special thanks go to Engelbert Schins of the Medical Photography Unit and Jelle Penders for critical review of the manuscript.
Conflict of interest statement: The authors have no conflicts of interest to disclose.
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- Frontmatter
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- Turner syndrome – working together with patients and their families
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