Table 1

Characteristics of participants

TotalCPAP(+)Non-CPAPP value
n1977
Age21(19–33)21(20–22)21(19–33)1
Height (cm)178(179–189)178(172–180)178(172–185)0.14
Weight (kg)125(73–140)100(73–125)118(100–140)0.10
BMI (kg/m233.9(23.3–43.7)31.9(24.1–39.0)35.1(33.8–43.7)0.95
Sleep-related characteristics
 Sleep duration (min)340(180–570)360(240–540)330(180–570)0.80
 ESS12(4–20)11(7–16)13(4–20)0.31
 ESS ≥111255
 RDI (/hour)6.6(0.2–16.6)7.6(0.2–13.4)6.6(5.3–16.6)0.75
RDI
 <5620
 5 to <101036
 ≥10321
 Nadir SpO290.5(82–95)89(83–95)89(82–92)0.62
 Snoring index (/hour)14.9(0.9–567)18(0.9–567)15.9(4.5–413.7)1.0
  • BMI, body mass index; CPAP, continuous positive airway pressure; ESS, Epworth Sleepiness Scale; RDI, respiratory disturbance index; SpO2, percutaneous arterial oxygen saturation.