Development and validation of a novel paediatric weight estimation equation in multinational cohorts of sick children

McVey, Lindsey and Young, David and Hulst, Jessie and Bradley, Sarah and Raudaschl, Adrian and Karagiozoglou, Thomais and Daskalou, Efstratia and Choudhery, Vincent and Macleod, Isobel and Joosten, Koen and Spenceley, Neil and Gerasimidis, Konstantinos (2017) Development and validation of a novel paediatric weight estimation equation in multinational cohorts of sick children. Resuscitation, 117. pp. 118-121. ISSN 1873-1570 (https://doi.org/10.1016/j.resuscitation.2017.04.02...)

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Abstract

AIM: In sick children who are unable to be weighed estimation of weight is often required, but the routinely used equations lack accuracy and precision. This study aimed to develop a novel equation (Children's European Estimator of Weight-CEEW) using measurements of mid-upper arm circumference (MUAC) and other predictors in multinational groups of sick children in Europe. METHODS: Weight estimation equations were developed in 2,086 children from the UK, Greece and the Netherlands, using a combination of demographics, MUAC and height measurements. The final CEEW equations were compared against the performance of the European Resuscitation Council (ERC), Advanced Paediatric Life Support (APLS) and the Cattermole equations. RESULTS: Two final CEEW equations were developed, incorporating measurements of age, gender and MUAC, with (CEEW1) or without (CEEW2) the inclusion of height. Both equations presented very high coefficients of determination (R(2)>96.5%), minimal mean prediction error and narrower limits of agreement than the comparator equations. 88% (CEEW1) and 77% (CEEW2) of weight estimates fell within 15% of measured body weight. These figures compared with less than 57%, 57% and 37% for the ERC, APLS and Cattermole equations respectively. CONCLUSION: The CEEW equations performed substantially better than other routinely used equations for weight estimation. An electronic application for mobile use is presented.

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