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Table 4 Comparison of STOP-BANG and ESS components between groups.

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  
STOP-Bang
Snoring (none = 0, yes = 1)a 79 (15.7) 8 (4.4) < 0.001***
 Tired (none =0, yes =1) a 420 (83.5) 147 (81.7) 0.324
 Observed apnea (none =0, yes =1) a 28 (5.6) 6 (3.3) 0.163
High blood pressure (none = 0, yes = 1)a 32 (6.4) 2 (1.1) 0.002**
 BMI more than 35 kg/m2 (none =0, yes =1) a 4 (0.8) 1 (0.6) 0.604
 Age over 50 (none =0, yes =1) a 80 (15.9) 30 (16.7) 0.814
 Neck circumference (male > 17 in., female > 16 in.) (none =0, yes =1) a 29 (5.8) 7 (3.9) 0.223
 Gender, male (Female =0, male =1) a 170 (33.8) 64 (35.6) 0.367
STOP Bang total score (0–8) 1.77 ± 1.86 1.53 ± 0.77 0.017*
STOP-Bang total score ≥ 3 (high risk of OSA) 81 (16.1) 13 (7.2) 0.001**
Epworth sleepiness scale
 Sitting and reading (0–3) b 0.94 ± 0.73 0.91 ± 0.64 0.588
 Watching TV (0–3) b 0.63 ± 0.67 0.61 ± 0.60 0.751
Sitting, inactive in public place (0–3)b 0.59 ± 0.66 0.76 ± 0.73 0.007**
As a passenger in a car for an hour without a break (0–3)b 1.19 ± 0.89 1.04 ± 0.81 0.047*
Lying down to rest in the afternoon when circumstances permit (0–3)b 1.45 ± 0.89 1.17 ± 0.84 < 0.001***
 Sitting and talking to someone (0–3) b 0.28 ± 0.54 0.33 ± 0.56 0.272
 Sitting quietly after a lunch without alcohol (0–3) b 1.23 ± 0.85 1.34 ± 0.83 0.107
In a car, while stopped for a few minutes for traffic (0–3)b 0.42 ± 0.63 0.54 ± 0.66 0.043*
 ESS total score (0–24) b 6.73 ± 3.62 6.71 ± 3.02 0.952
ESS total score ≥ 10 (EDS)a 99 (19.7) 23 (12.8) 0.023*
  1. Values are presented as number (%) and mean ± standard deviation
  2. TMD temporomandibular disorder, SD standard deviation, STOP-Bang The snoring, tiredness, observed apnea, high blood pressure (STOP)-BMI, age, neck circumference, and gender (Bang), ESS Epworth sleepiness scale, EDS excessive daytime sleepiness
  3. p-Value significance was set at <0.05. *: p-value < 0.05, **: p-value <0.01, ***: p-value <0.001
  4. a: Comparison results of the number (%) between groups performed with χ2 test and Boneferroni correction. b: The results were obtained via t- test