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Fig. 3 | Respiratory Research

Fig. 3

From: Saliva as a non-invasive specimen for COPD assessment

Fig. 3

ROC analyses of GOLD D status prediction and recent severe exacerbation status prediction based on logistic regression models adjusted for Pack-years. A ROC curves of GOLD D status prediction based on relative frequency of Prevotella, Proteobacteria and Prevotella + Proteobacteria. The blue curve represents the prediction based on Prevotella relative frequency (AUC = 81%), the red curve represents the prediction based on Proteobacteria relative frequency (AUC = 75%) and the green curve represents the prediction based on the two regressors model (AUC = 87%). B ROC curves of recent severe exacerbation prediction based on relative frequency of Prevotella genus and Prevotella melaninogenica ASV (d0b698c7298bf04110a6d2f220879bfb). Light blue curve represents the prediction made with Prevotella genus relative frequency (AUC = 89%), dark blue curve represents the prediction made with Prevotella melaninogenica ASV relative frequency (AUC = 86%)

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