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Table 1 Demographic, behavioral, psychological, and psychosocial characteristics of the 104 TMD patients with chronic pain, according to pain location

From: Identifying potential predictors of pain–related disability in Turkish patients with chronic temporomandibular disorder pain

Characteristics RDC/TMD subgroups p value
  Group A (43) Group B (20) Group C (41)  
Gender a     
Male 22 (51.2%) 6 (30%) 12 (29.3%) 0.082
Female 21 (48.8%) 14 (70%) 29 (70.7%)  
Depressionb (Mean ± SD) 1.57 ± 0.89 1.13 ± 0.87 1.45 ± 0.95 0.213
Somatizationb (Mean ± SD) 1.64 ± 0.81 1.25 ± 0.90 1.79 ± 0.95 0.085
Pain durationc (Mean ± SD) 20.67 ± 20.50 33.55 ± 44.31 27.65 ± 26.33 0.446
Jaw disability checklist b (Mean ± SD) 5.25 ± 2.70 5.40 ± 2.50 5.60 ± 3.02 0.845
CPIb (Mean ± SD) 63.10 ± 19.27 59.50 ± 16.62 66.34 ± 20.55 0.420
Ageb (Mean ± SD) 30.69 ± 9.58 35.80 ± 10.30 35.21 ± 11.11 0.077
Treatment-seekinga     
No 19 (44.2%) 8 (40%) 16 (39%) 0.883
Yes 24 (55.8%) 12 (60%) 25 (61%)  
Disability a     
High 12 (46.2) 5 (19.2) 9 (34.6) 0.820
Low 31 (39.7) 15 (19.2) 32 (41)  
  1. SD, standard deviation; CPI, Characteristic Pain Intensity; Group A, myofascial pain only; Group B, joint pain only due to disk displacement; Group C, myofascial and joint pain due to disk displacement.
  2. a Statistical evaluation by the chi-square test.
  3. bStatistical evaluation by t test.
  4. cStatistical evaluation by Mann–Whitney U test.