Use this URL to cite or link to this record in EThOS: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.747390
Title: Childhood vitamin D deficiency in the UK : diagnosis, clinical consequences and healthcare costs
Author: Basatemur, Emre Doruk
ISNI:       0000 0004 7230 3991
Awarding Body: UCL (University College London)
Current Institution: University College London (University of London)
Date of Award: 2018
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Abstract:
BACKGROUND: Vitamin D has attracted considerable academic and clinical attention over the last two decades. However, the epidemiology of symptomatic vitamin D deficiency in UK children is poorly characterised, and the impact of the recent interest on paediatric clinical practice has not been explored. METHODS: A systematic review of the global incidence of symptomatic vitamin D deficiency in children was undertaken. A prospective surveillance study was conducted across the UK and Ireland to determine the incidence of hypocalcaemic seizures secondary to vitamin D deficiency in children. Cohort studies were undertaken to examine temporal trends in the diagnosis of vitamin D deficiency among children in clinical practice in the UK, and investigate healthcare expenditure related to vitamin D testing and prescribing in primary care. RESULTS: Four higher quality studies, from high-income countries with predominantly Caucasian populations, provided a pooled annual incidence estimate for symptomatic vitamin D deficiency of 3.4 per 100,000 children. The annual incidence of hypocalcaemic seizures secondary to vitamin D deficiency in the UK and Ireland was 3.5 per million children aged 0-15 years, with male infants from South Asian and black ethnic backgrounds at greatest risk. There was a 15-fold increase in the diagnosis of vitamin D deficiency among children in UK clinical practice between 2008-2014. Older age (≥10 years), non-white ethnicity, and social deprivation were associated with higher rates of diagnosis. Healthcare expenditure on vitamin D tests and prescriptions for children in primary care increased 13-fold between 2008-2014, with national costs in England estimated at £4.3 million in 2014. CONCLUSION: Considered in the context of the existing literature, these studies suggest that vitamin D deficiency may be over-tested and over-diagnosed, yet under-prevented, among children in the UK. These findings have implications for public health policy, clinical practice and health service delivery, and inform areas for future research.
Supervisor: Sutcliffe, A. ; Rait, G. ; Horsfall, L. Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.747390  DOI: Not available
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