• Nicola Allison and Ian Norton.
• National Critical Care and Trauma Response Centre, Royal Darwin Hospital, Darwin, Northern Territory, Australia.
• Emerg Med Australas. 2014 Oct 1;26(5):487-93.

ObjectiveDuring a paediatric emergency, it is often impractical to weigh a child. Many resuscitative measures require a child's weight; therefore, estimation is often used. Different methods are available to do this, usually based on a child's age or length. The accuracy of these methods has not been validated in Aboriginal and Torres Strait Islander children from remote communities. The objective of this study was to determine how well these paediatric emergency weight estimation methods predict weight for this group of children.MethodA retrospective descriptive study using the measured weights and heights of Aboriginal and Torres Strait Islander children from remote locations across the Northern Territory (NT) was used. The weight estimation methods chosen to evaluate were the APLS, 'Best Guess', Luscombe and Nelson's formulae, Argall's modification, the Broselow® and Sandell® tapes, and the World Health Organization standard reference growth charts. Adjusted R-squared values for each method are reported, and agreement was measured in terms of mean percentage error (MPE).ResultsA total of 2102 children were included. The length-based methods performed the best. The Broselow Tape had the highest adjusted R-squared value at 0.8886 in all age groups. The APLS, Luscombe and Argall's methods were the worst performing methods. The Broselow® Tape was also the best performing in terms of accuracy and precision, with an MPE of -0.35% (95% CI -0.82-0.1).ConclusionOur data support the use of the Broselow® Tape as the recommended method when estimating weight in an emergency for remote Aboriginal and Torres Strait Islander children in the NT for the 0-5 year age group.© 2014 Australasian College for Emergency Medicine and Australasian Society for Emergency Medicine.

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