Evaluation of 25-hydroxyvitamin D (25(OH)D) levels before and during the COVID-19 pandemic: A cross-sectional study and trend analysis involving 86,772 samples.

Mehmet Emin Arayıcı Sila Ovgu Korkut-UysalAsim LeblebiciZeynep AkcaliDeniz Tuna EdizerSeher KabulDilek CimrinEnder Berat Ellidokuz

Published in: PloS one (2023)

Restrictions, partial or complete closures, and curfews can significantly affect individuals' 25(OH)D levels during the COVID-19 outbreak. There is a need for multicenter studies with larger populations covering different regions to strengthen and support our results.

Keyphrases

risk factors
clinical trial
case control
data analysis