The Prognostic Superiority of Early ΔNLR Variations in Predicting In-Hospital Mortality among Emergency and Ward Patients with COVID-19: A Systematic Review and Meta-Analysis. AMCR [Internet]. 2026 Mar. 17 [cited 2026 Aug. 14];7(2):171-87. Available from: https://hmpublisher.com/index.php/AMCR/article/view/870