Fig. 4From: A cross-sectional study: a breathomics based pulmonary tuberculosis detection methodInvestigations of breath VOC ions and PTB. a The volcano plot shows the group changes and differences in breath VOC ion intensity between PTB and controls. b The performances of the top eleven VOC ions in distinguishing PTB patients and controls. c The heatmap of the top eleven VOC ions in PTB, UHC, and HC, shows the pattern differences of VOC ionsBack to article page