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Table 1 Demographic characteristics of patient and control groups

From: Factors affecting executive functions in obstructive sleep apnea syndrome and volumetric changes in the prefrontal cortex

  Total (n = 43) Patient (n = 28) Control (n = 15) p
Age (years)
 Min–max (median) 28–60 (45) 32–60 (46) 28–57 (40) 0.054a
BMI (kg/m2)
 Min–max (median) 21.50–44.30 (31.3) 22.80–44.30 (32.5) 21.50–41.40 (26) 0.007a, **
Sex
 Male 26 (60.5) 19 (67.9) 7 (46.7) 0.176b
 Female 17 (39.5) 9 (32.1) 8 (53.3)
Duration of education (years)
 Min–max (median) 1–15 (7) 1–12 (6) 5–15 (8) 0.178
Education status
 Low education 22 (51.2) 16 (57.1) 6 (40.0)  
 Intermediate education 17 (39.5) 12 (42.9) 5 (33.3)  
 High education 4 (9.3) 0 4 (26.7)  
ESS
 Min–max (median) 0–19 (10) 1–19 (11.5) 0–14 (6) 0.036*
  1. BMI body mass index
  2. ** p < 0.01; * p < 0.05
  3. aMann–Whitney U-test
  4. bPearson’s Chi square test
  5. cFisher’s exact test