Fig. 4
From: Identification of noval diagnostic biomarker for HFpEF based on proteomics and machine learning
Construction of the nomogram and the diagnosis value assessment. (A) The ROC curve of each candidate protein (SERPINA1、AFM、SERPINA3、ITIH4). (B) Boxplot of protein expression of the four candidate proteins. (C) Nomogram for diagnosis HFpEF. (D) Nomogram correction curve. (E) Predictive accuracy of the ROC curve model