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Accurate determination of drug dosing, equipment size, and defibrillation energy is challenging during pediatric resuscitation. Researchers compared methods of weight estimation in a retrospective observational study of more than 37,000 children (age <14) who presented to a single referral center in Australia during 30 years and for whom data on age and weight or height were available.
Methods tested were the aged-based original Advanced Pediatric Life Support (APLS), new APLS, Luscombe and Owens, and Best Guess formulas, and the length-based Broselow tape. The Best Guess method () was the most accurate for children older than 1 year (mean difference between measured and estimated weight, 0.43 kg), and the new APLS formula (