Table 1—

Clinical characteristics of patients and healthy subjects

ControlsOSAS
Subjects n3747
Age yrs46±948±9
BMI kg·m−229.6±5.030.2±5.2
SBP mmHg128±12132±16
DBP mmHg77±885±10***
Current smokers %019 (40)***
Hypertension %015 (31)***
AHI events·h−12±149±16***
Mean sat O2 %93±1.692±2.7
Epworth scale3±113±6***
  • Data are presented as mean±sd, n or n (%). OSAS: obstructive sleep apnoea syndrome; BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure; AHI: apnoea–hypopnoea index. ***: p<0.001 versus healthy controls.