Table 2. Performances of CNN model according to the number of convolutional layers.

Measures, %	No. of layers
	3	5	7	9	11	13
Sensitivity	88.0	91.0	99.0	99.0	100.0	100.0
Specificity	87.0	88.0	99.0	99.0	100.0	100.0
Accuracy	87.4	88.2	99.3	99.0	99.6	99.7

CNN = convolutional neural network.