Noninvasive Mechanical Ventilation in Patients with Viral Pneumonia-Associated Acute Respiratory Distress Syndrome: An Observational Retrospective Study

Figure 3

(a) Combining the area under the ROC curve of APACHE II with OLA (AUC = 0.887 vs. AUC = 0.970; ). (b) Combining the area under the ROC curve of LDH with OLA (AUC = 0.816 vs. AUC = 0.970; ). (c) Combining the area under the ROC curve of OI with OLA (AUC = 0.851 vs. AUC = 0.970; ). (d) Combining the area under the ROC curve of OL with OLA (AUC = 0.885 vs. AUC = 0.970; ). (e) Combining the area under the ROC curve of OA with OLA (AUC = 0.950 vs. AUC = 0.970; ) (f) Combining the area under the ROC curve of LA with OLA (AUC = 0.964 vs. AUC = 0.970; ).

(a)

(b)

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(f)