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Table 2 Patient Characteristics

From: Data enhancement for co-morbidity measurement among patients referred for sleep diagnostic testing: an observational study

  All
(n = 2149)
No OSA
(n = 432)
Mild OSA
(n = 738)
Moderate OSA
(n = 443)
Severe OSA
(n = 536)
p-value*
Male n (%) 1346 (62.6) 197 (45.6) 463 (62.7) 281 (63.4) 405 (75.6) <0.001
Age, yrs mean (SD) 50.1 (12.9) 44.0 (12.9) 50.0 (12.5) 52.8 (12.5) 53.0 (11.9) <0.001
BMI, kg/m2 median (IQR) 31.3
(27.3, 36.6)
27.8
(24.9, 32.2)
30.6
(27.2, 35.4)
32.0
(28.1, 36.8)
34.5
(30.4, 39.8)
<0.001
Epworth Sleepiness Score, mean (SD) 11.3 (5.4) 10.9 (5.1) 10.7 (5.3) 11.4 (5.4) 12.4 (5.5) <0.001
Current Smoker, n (%) 354 (16.5) 89 (20.6) 116 (15.7) 60 (13.5) 89 (16.6) 0.111
  1. Abbreviations: BMI = body mass index; IQR = inter-quartile range; SD = standard deviation
  2. * Chi-squared test, analysis of variance (3 degrees of freedom)