With the link between obesity and Slipped Upper Femoral Epiphysis (SUFE) well established and a rising number of paediatric orthopaedic patients presenting with vitamin D deficiency, the aim of our study was to establish the incidence of vitamin D deficiency in SUFE patients and whether low vitamin D levels increases the time to proximal femoral physeal fusion post surgical fixation. All paediatric patients presenting to the orthopaedic department at University Hospital Southampton with a SUFE and tested for vitamin D between June 2007 to present day and who were subsequently found to have low levels of vitamin D, were eligible for inclusion in the study. A deficient level of vitamin D (25-(OH)D) was determined as < 52 nmols/L and insufficiency between 52–72 nmols/L. Levels > 72 nmols/L were considered to be normal. The normal time for 50% of physeal fusion on anteroposterior radiograph quoted in the literature is 9 months.Aim
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