Table 3.

Confusion matrix and model performance in each Trial.

Confusion matrix				Model performance
	Actual	Predicted		Precision	Recall	Accuracy	Weighted average precision	Weighted average recall	F1 score
		Normal	OA
Trial 1	Normal	283	17	0.80	0.94	0.80	0.81	0.80	0.80
	OA	72	78	0.82	0.52
Trial 2	Normal	35	115	0.81	0.23	0.73	0.75	0.73	0.74
	OA	8	292	0.72	0.97
Trial 3	Normal	119	26	0.78	0.82	0.78	0.78	0.78	0.78
	OA	34	93	0.78	0.73

OA, temporomandibular joint osteoarthritis.