Clinical Characteristics of Vitamin D Deficiency Detected in Long COVID Patients During the Omicron Phase - Matsuda, Yui; Sakurada, Yasue; Nakano, Yasuhiro; Otsuka, Yuki; Tokumasu, Kazuki; Honda, Hiroyuki; Soejima, Yoshiaki; Yokota, Yuya; Takase, Ryosuke; Omura, Daisuke; Otsuka, Fumio (Nutrients, 2025)
Keywords: Adult; Aged; Alfacalcidol; Blood tests; Body mass index; Calcifediol; Coronaviruses; COVID-19 - blood; COVID-19 - complications; COVID-19 - epidemiology; COVID-19 vaccines; Female; Females; Hospitals; Humans; Immunization; Long COVID; Male; Medical records; Middle Aged; Outpatient care facilities; Patients; Questionnaires; Regression analysis; Retrospective Studies; SARS-CoV-2; Vitamin D; Vitamin D - analogs & derivatives; Vitamin D - blood; Vitamin D deficiency; Vitamin D Deficiency - blood; Vitamin D Deficiency - complications; Vitamin D Deficiency - diagnosis; Vitamin D Deficiency - epidemiology; Vitamin deficiency; Japan; COVID-19; long COVID; 25-hydroxyvitamin D; vitamin D deficiency; palpitation