Table 1.

Performance of the CNN1 model in different validation and test dataset.

	Validation dataset	Independent test dataset	External validation dataset	P-value
Precision	0.933 (0.928, 0.938)	0.898 (0.895, 0.901)	0.968 (0.966, 0.970)	<0.001
Recall	0.934 (0.933, 0.939)	0.836 (0.832, 0.840)	0.965 (0.963, 0.967)	<0.01
F1-score	0.933 (0.928, 0.938)	0.856 (0.853, 0.859)	0.965 (0.963, 0.967)	0.001
Accuracy	0.934 (0.929, 0.939)	0.836 (0.832, 0.840)	0.965 (0.963, 0.967)	<0.01
Positive predictive value	0.869 (0.859, 0.880)	0.771 (0.761, 0.780)	0.923 (0.915, 0.930)	<0.01
Negative predictive value	0.975 (0.971, 0.979)	0.956 (0.954, 0.958)	0.973 (0.971, 0.975)	<0.001

95% confidence intervals are included in brackets.