Table 2

Sleep and breathing characteristics of patients diagnosed by polysomnography (n=42)

Total sleep time (h)5.5  (1.7)
Stage I–II (% total sleep time)74.3 (15.0)
Stage III–IV (% total sleep time)13.3 (9.2)
REM sleep (% total sleep time)13.0 (8.2)
Arousal index (no/h)40.5 (22.8)
Apnoea + hypopnoea index (no/h)40.5 (27.6)
Apnoea + hypopnoea index supine (no/h)54.5 (31.2)
  • Values are mean (SD).