What change in body mass index is associated with improvement in percentage body fat in childhood obesity? A meta-regression

Objective Using meta-regression this paper sets out the minimum change in body mass index-SD score (BMI-SDS) required to improve adiposity as percentage body fat for children and adolescents with obesity.Design Meta-regression.Setting Studies were identified as part of a large-scale systematic review of the following electronic databases: AMED, Embase, MEDLINE via OVID, Web of Science and CENTRAL via Cochrane library.Participants Individuals aged 4–19 years with a diagnosis of obesity according to defined BMI thresholds.Interventions Studies of lifestyle treatment interventions that included dietary, physical activity and/or behavioural components with the objective of reducing obesity were included. Interventions of