Lactate dehydrogenase, an independent risk factor of severe COVID-19 patients: a retrospective and observational study
Figure 3.ROC curve and cutoff value of predictive factors. The factors for the prediction of COVID-19 patients getting severe condition. (A–F) ROC curve of lymphocytes, AST, CRP, LDH, P/F ratio, and APACHE II. AUC, area under curve.