Fig. 7
From: Classification of COVID-19 electrocardiograms by using hexaxial feature mapping and deep learning
One-way ANOVA results for Negative and Positive comparison within a box plot using COVID-19 GLCM energies and GLCM energies of other ECG groups. Normalized COVID-19 GLCM energies obtained from binary ECG images were verified to statistically significant to each ECG group (\(p < 0.0001\) for all cases). Each group has a total of 1494 samples: 18-lead x 83 paper-based ECG reports