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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: J Pain. 2012 Oct;13(10):1016–1027. doi: 10.1016/j.jpain.2012.07.011

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:

  1. Controls: maximum 181, range 175–181
  2. All TMD cases: maximum 159, range 155–159
  3. TMD without WPT: maximum 83, range 81–83
  4. TMD with WPT: maximum 76, range 74–76

Controls vs. all TMD cases: p<0.007

a

Controls vs. TMD without (w/o) WPT: p<0.007

b

Controls vs. TMD with WPT: p<0.007

c

TMD w/o WPT vs. TMD with WPT: p<0.007