Team to Address Bariatric Care in Canadian Children

Team to Address Bariatric Care in Canadian Children

Rethinking the Use of BMI z-Scores

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A recent commentary discusses two reports from Freedman et al. about the concerns regarding the use of BMI z-score in studies that include children with severe obesity.

The commentary points out that although BMI z-scores remains useful for obesity classification and BMI tracking among youth ranging from normal weight to moderate obesity, a convincing case has now been made to move away from the use of BMI z-scores as a primary weight loss outcome in research involving youth with severe obesity and as a metric of tracking change among individual patients with high BMI values in clinical settings.

Researchers should err on the side of reporting more, not fewer, BMI-derived outcomes in their publications to offer readers more flexibility in how to interpret findings from individual studies, and to allow for better comparison of results across studies.

Kelly & Daniels, 2017

We recently blogged about these two studies from Freedman et al. Check them out HERE and HERE.

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