Table 3.
Percentage of people reporting persistent pain conditions in TMD cases and controls
Conditions | Controls | All TMD cases | TMD w/o WPT | TMD with WPT |
---|---|---|---|---|
(%) | (%) | (%) | (%) | |
Fibromyalgia * | 0 | 18.2 | 1.2c | 36.8 a,c |
Chronic fatigue syndrome * | 0.6 | 9.6 | 0 c | 20.3 a,c |
Irritable bowel syndrome * | 5.0 | 22.6 | 14.5 | 31.6 b |
Interstitial cystitis | 1.1 | 1.3 | 2.4 | 0 |
Chronic pelvic pain* | 0.6 | 7.0 | 2.4 | 12.0 b |
Frequent headaches* | 21.4 | 86.2 | 83.1a | 89.5 b |
Frequent low back pain* | 6.3 | 25.2 | 16.1 | 35.3 a,c |
Abbreviations: TMD, temporomandibular disorders; WPT, widespread palpation tenderness; w/o, without.
Note: Number of study subjects included in each group:
- Controls: maximum 181, range 175–181
- All TMD cases: maximum 159, range 155–159
- TMD without WPT: maximum 83, range 81–83
- TMD with WPT: maximum 76, range 74–76
Controls vs. all TMD cases: p<0.007
Controls vs. TMD without (w/o) WPT: p<0.007
Controls vs. TMD with WPT: p<0.007
TMD w/o WPT vs. TMD with WPT: p<0.007