Table 2:

Imaging features for CS and SC^a

Independent Variables	Total (n = 47)	CS (n = 12)	SC (n = 35)	P Value	Interobserver Agreement
Lesion center				<.001^{^b}^,^{^c}	.832^{^f}
Joint space	40 (85.1)	5 (41.7)	35 (100)
Mandibular condyle	7 (14.9)	7 (58.3)	0 (0)
Destruction of the mandibular condyle	31 (66.0)	11 (91.7)	20 (57.1)	.037^{^b}^,^{^c}	.905^{^f}
Sclerosis of the mandibular condyle	23 (48.9)	8 (66.7)	15 (42.9)	.193^{^c}	.872^{^f}
Destruction of the articular eminence/glenoid fossa	31 (66.0)	4 (33.3)	27 (77.1)	.012^{^b}^,^{^c}	.856^{^f}
Sclerosis of the articular eminence/glenoid fossa	29 (61.7)	2 (16.7)	27 (77.1)	<.001^{^b}^,^{^c}	.861^{^f}
Infiltration into the tendon of the LPM	17 (36.2)	12 (100.0)	5 (14.3)	<.001^{^b}^,^{^c}	.908^{^f}
Calcification	37 (78.7)	8 (66.7)	29 (82.9)	.251^c	.828^{^f}
Pattern of calcification				.008^{^b}^,^{^d}	.835^{^f}
Absence	10 (21.3)	4 (33.3)	6 (17.1)
Stippled	9 (19.1)	6 (50.0)	3 (8.6)
Flocculent	4 (8.5)	0 (0.0)	4 (11.4)
Ring-and-arc	9 (19.1)	0 (0.0)	9 (25.7)
Popcorn	15 (31.9)	2 (16.7)	13 (37.1)
Periosteal reaction	12 (25.5)	8 (66.7)	4 (11.4)	.001^{^b}^,^{^c}	.827^{^f}
Osteophyte	10 (21.3)	2 (16.7)	8 (22.9)	1.000^c	.873^{^f}
Peripheral enhancement	19 (79.2)	11 (91.7)	8 (66.7)	.317^{^c}	.864^{^f}
Internal enhancement	15 (62.5)	12 (100.0)	3 (25.0)	<.001^{^b}^,^{^c}	.830^{^f}
Lesion size	28.5 (SD, 7.4)	37.1 (SD, 8.2)	25.6 (SD, 4.2)	<.001^{^b}^,^{^e}	.932^{^g}
X/Z ratio	1.6 (SD, 0.3)	1.5 (SD, 0.2)	1.7 (SD, 0.3)	.067^{^e}	.928^{^g}

a Values are the number of patients with percentages in parentheses or the mean ± SD.
↵b Statistically significant.
↵c Fisher exact test.
d Linear-by-linear association test.
↵e Student t test.
↵f Cohen κ coefficient.
↵g Intraclass correlation coefficient.