Table 5. Confusion matrix for the test dataset.

Accuracy 94.5%, Kappa index was 0.857 (95%CI 0.770-0.912), Matthews Correlation Coefficient 0.857.

AI, artificial intelligence; ICHD-3, International Classification of Headache Disorders, 3rd edition

 

		Prediction by AI			Performance index
		Class 1; Migraine	Class 2; Non-migraine headache	Total	Sensitivity (Recall)	Precision	Specificity	F-value
Ground truth based on ICHD-3	Class 1; Migraine	63	8	71	88.7%	90.0%	96.5%	89.4%
	Class 2; Non-migraine headache	7	195	202	96.5%	96.1%	88.7%	96.3%
	Total	70	203	273