Decreased serum vitamin D levels in children with asthma are associated with increased corticosteroid use

DA Searing, Y Zhang, JR Murphy, PJ Hauk… - Journal of Allergy and …, 2010 - Elsevier
BACKGROUND: There is little knowledge about clinical variables associated with vitamin D
(VitD) insufficiency in asthmatic children. OBJECTIVE: We sought to investigate disease
variables associated with VitD insufficiency in patients with childhood asthma and
interaction of VitD with corticosteroid-mediated anti-inflammatory responses. METHODS: We
analyzed 25-hydroxyvitamin D serum levels in 100 asthmatic children to investigate
relationships between 25-hydroxyvitamin D levels and patients' characteristics. We …