Role of Eosinopenia as a Prognostic Factor in COVID-19 Patients from Emergency Department During the Second Wave

Wynants L, Van Calster B, Collins G, et al. Prediction models for diagnosis and prognosis of covid-19: systematic review and critical appraisal. BMJ. 2020. https://doi.org/10.1136/bmj.m1328. Qilin L, Xiuli, Geqing X, et al. Eosinopenia and elevated C-reactive protein facilitate triage of COVID-19 patients in fever clinic: a retrospective case-control study. E Clin Med. 2020. https://doi.org/10.1016/j.eclinm.2020.100375. Andreozzi F, Hermans C, Yombi JC. Eosinopenia and COVID-19 patients: so specific ? E Clin Med. 2020;27(24):100439. Khourssaji M, Chapelle V, Evenepoel A, et al. A biological profile for diagnosis and outcome of COVID-19 patients. Clin Chem Lab Med. 2020;58(12):2141–50. Cazzaniga M, Fumagalli LAM, D'angelo L, et al. Eosinopenia is a reliable marker of severe disease and unfavourable outcome in patients with COVID-19 pneumonia. Int J Clin Pract. 2021. https://doi.org/10.1111/ijcp.14047.