Table 1. Agreement matrix of the radiologists (observer 1 and 2) for each radiographic finding visualized in a multi-planar HR-CBCT evaluation for both groups together.

The agreement is shown in diagonal. The numbers represent the total number of mandibular condyles in their specific category.

Flattening		Observer 2				Total
		Not visualized	Mild	Moderate	Severe
Observer 1	Not visualized	30	4	0	0	34
	Mild	7	124	2	0	133
	Moderate	0	3	12	0	15
	Severe	0	0	0	2	2
Total		37	131	14	2	184
Osteophytes		Not visualized	Mild /	Moderate /	Severe /	Total
			Small	Medium	Large
	Not visualized	71	14	0	0	85
	Mild / Small	5	77	0	0	82
	Moderate / Medium	0	3	7	0	10
	Severe / Large	0	0	2	5	7
Total		76	94	9	5	184
Sclerosis		Not visualized	Mild /	Moderate /	Severe /	Total
			Localized	Generalized	Generalized
	Not visualized	49	14	0	0	63
	Mild / Localized	4	110	0	0	114
	Moderate / Generalized	0	1	5	0	6
	Severe / Generalized	0	0	0	1	1
Total		53	125	5	1	184
Erosion		Not visualized	Mild	Moderate	Severe	Total
	Not visualized	114	4	0	0	118
	Mild / Localized	5	45	1	0	51
	Moderate	0	3	9	1	13
	Severe	0	0	1	1	2
Total		119	52	11	2	184
Cysts		Not visualized	1–2	3–4	5 or more	Total
			cysts	cysts	cysts
	Not visualized	120	6	0	0	126
	1–2 cysts	7	38	4	0	49
	3–4 cysts	0	1	6	1	8
	5 or more cysts	0	0	0	1	1
Total		127	45	10	2	184