Table 2.

Confusion matrix and model performance for the initial AI.

Confusion matrix				Model performance
Actual	Predicted			Precision	Recall	Accuracy	Weighted average precision	Weighted average recall	F1 score
	Normal	Indeterminate	OA
Normal	57	46	47	0.72	0.38	0.51	0.55	0.51	0.53
Indeterminate	14	53	83	0.44	0.35
OA	8	22	120	0.48	0.80

Indeterminate, indeterminate temporomandibular joint osteoarthritis; OA, temporomandibular joint osteoarthritis.