Fig. 5 | Scientific Reports

Fig. 5

From: Extraction and evaluation of features of preterm patent ductus arteriosus in chest X-ray images using deep learning

Fig. 5

Definition and analysis of the hypothesized radiographic features. (a) CXR images highlighting the proposed feature definitions. The upper heart width is defined as the width of the heart measured at the upper 10% of its total height. The widths are measured based on the heart and thorax masks generated by the segmentation models. (b) Histograms of the features in sPDA-positive and sPDA-negative groups. For accurate comparison, only one image was randomly selected from each patient. The p-values were calculated from z-tests.

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