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Prevalence of and factors influencing vitamin D deficiency in paediatric patients diagnosed with cancer at northern latitudes
Author(s) -
Jackmann Natalja,
Gustafsson Jan,
HarilaSaari Arja,
Ljungman Gustaf,
Nezirevic Dernroth Dzeneta,
Frisk Per,
Mäkitie Outi
Publication year - 2021
Publication title -
acta paediatrica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 115
eISSN - 1651-2227
pISSN - 0803-5253
DOI - 10.1111/apa.15788
Subject(s) - medicine , vitamin d deficiency , vitamin d and neurology , parathyroid hormone , pediatrics , cancer , cross sectional study , disease , pathology , calcium
Aim To investigate the prevalence of vitamin D deficiency among children with non‐haematological malignancies and to explore possible causes of low vitamin D levels among these patients. Methods We performed a cross‐sectional study of 458 children diagnosed with solid tumours, brain tumours, non‐Hodgkin lymphoma or Hodgkin disease at the University Children's Hospital, Uppsala, Sweden. Serum 25‐hydroxyvitamin D and parathyroid hormone levels were measured in samples taken at the time of cancer diagnosis and related to clinical data. Vitamin D deficiency was defined as a 25‐hydroxyvitamin D level below 50 nmol/L. Results The prevalence rate of vitamin D deficiency among children with non‐haematological malignancies was 41%. There was no association between sex or diagnosis and vitamin D status. Vitamin D deficiency was more common among school children than preschool children (51% vs. 24%). Older age, season outside summer, and a more recent calendar year were significant predictors of lower 25‐hydroxyvitamin D. There was a significant, albeit weak, negative correlation between 25‐hydroxyvitamin D and parathyroid hormone. Conclusion Vitamin D deficiency is common among children diagnosed with cancer, particularly among school‐aged children diagnosed outside summer. The prevalence appears to be increasing, underlining the need for adequate replacement of vitamin D in these patients.

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