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Table 1 Demographic characteristics of chronic TMD patients compared to healthy controls

From: Poorer sleep quality in patients with chronic temporomandibular disorders compared to healthy controls

 

Chronic TMD patients (n = 503)

Healthy control (n = 180)

p-value

Parameter

n (%) or Mean ± SD

n (%) or Mean ± SD

 

Age (years)a

33.10 ± 13.26

32.77 ± 12.95

0.771

Age groups

< 0.001***

10s < 20s < 30s < over 40

 Under 20 years old (10s) b

61 (17.59 ± 2.28)

20 (17.60 ± 1.56)

 20–30 years old (20s)

208 (24.58 ± 2.86)

77 (24.43 ± 2.61)

 31–40 years old (30s)

93 (34.46 ± 3.09)

35 (34.03 ± 3.00)

 More than 40 years old (over 40)

141 (51.49 ± 7.41)

48 (51.55 ± 6.87)

 Sex (Female %)c

333 (66.2)

116 (64.4)

0.367

BMI (kg/m2)a

22.32 ± 3.57

21.45 ± 2.76

0.001**

VAS

4.89 ± 2.45

–

n.a.

Symptom duration (days)

589.74 ± 1315.01

–

n.a.

  1. TMD temporomandibular disorder, BMI body mass index, SD standard deviation, n.a. not available
  2. A p-value < 0.05 was considered significant.**: p-value <0.01. ***: p-value <0.001
  3. a: The results were obtained via t- test, b : The mean difference among age subgroups was obtained by one-way analysis of variance and post-hoc analysis. c: The results were obtained from χ2 test
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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