Fig. 3From: Impact of respiratory bacterial infections on mortality in Japanese patients with COVID-19: a retrospective cohort studyPredictive factor of respiratory co-infection. a Receiver operating characteristic curve for NLRs calculated from blood tests within 48Â h of admission. b Sensitivity, specificity, and odds ratio for the NLR cutoff of 5.28 for complications of respiratory bacterial co-infections. CI, confidence interval; AUC, area under the curveBack to article page