. Author manuscript; available in PMC: 2019 Sep 26.

Published in final edited form as: J Oral Facial Pain Headache. 2018 Summer;32(3):329–337. doi: 10.11607/ofph.1910

Table 3 –

Proportion of Participants with SDA for Each TMJ Intra-Articular Status at Baseline and at Follow-Up

TMJ intra-articular status	Participants
TMJ intra-articular status	Baseline		Follow-up
	Right side	Left side	Right side	Left side
	n=340	n=338	n=342	n=342
	% (N with SDA / N with TMJ status)
Normal	8.5 (5 / 59)	11.8 (8 / 68)	11.3 (7 / 62)	11.9 (8 / 67)
Disc Displacement with Reduction	10.6 (11 / 104)	13.1 (13 / 99)	9.4 (9 / 96)	6.6 (6 / 91)
Disc Displacement without Reduction	12.0 (3 / 25)	0.0 (0 / 20)	11.5 (3 / 26)	17.6 (3 / 17)
Degenerative Joint Disease Grade 1	8.1 (5 / 62)	10.9 (5 / 46)	8.8 (5 / 57)	16.7 (11 / 66)
Degenerative Joint Disease Grade 2	6.7 (6 / 90)	12.4 (13 / 105)	5.9 (6 / 101)	11.9 (12 / 101)
	P-value ^*
	.495	.957	.233	.495

based on Wilcoxon rank sum test

Note: Denominators for each cell (N of subjects with TMJ intra-articular status) are identical to Table 1