Fig. 3From: Predictive values of neutrophil-to-lymphocyte ratio on disease severity and mortality in COVID-19 patients: a systematic review and meta-analysisSummary receiver operating characteristic graph for the included studies. a. The AUC of NLR for predicting disease severity was 0.85 (95% CI 0.81–0.88). b. The AUC of NLR for predicting mortality was 0.90 (95% CI 0.87–0.92)Back to article page