.9662, 1.0000) 1.0000 (1.0000, 1.0000) 0.9688 (0.9219, 1.0000) Rad-3rd 0.8593 (0.7931, 0.9180) 0.7942 (0.7062, 0.8779) 0.9000 (0.8541, 0.9481) 0.9355 (0.8666, 0.9841) 0.7945 (0.6974, 0.8873) Fig. 4 ROC and PRC curves for the CNNCF of the experiments A-C. NC indicates that the positive case is a COVID-19 case, and the negative case