Figure 4
From: Metabolomics Profiling for Obstructive Sleep Apnea and Simple Snorers
Receiver-operator characteristic (ROC) curve of the composite biomarker panel for moderate to severe obstructive sleep apnea (OSA) and severe OSA.
(A) ROC curve for distinguishing moderate to severe OSA from mild OSA and SS. ROC curves for the combination of 2-methoxy-4-methylphenol, 3-aminosalicylic acid, 3-hydroxyanthranilic acid and 4-hydroxypentenoic acid. (B) ROC curve for distinguishing severe OSA from non-severe OSA. ROC curves for the combination of 3-hydroxyphenylacetic acid and 3-methyl-3-hydroxybutyric acid.
