Table 2—

Apnoea variables in supine and lateral positions according to thirds of the night

PositionThirds of nightApnoea durationMinimum saturationChange in saturationDuration of arousalMaximum snoring loudnessChange in cardiac frequency
Supine1st24.7±6.182.4±7.312.0±5.27.8±2.360.0±13.587±3.8
2nd26.3±7.982.0±6.912.6±5.58.9±2.963.8±7.99.1±4.0
3rd27.9±7.181.5±7.213.4±5.98.9±2.163.6±7.29.4±4.1
Lateral1st21.4±4.886.4±5.58.1±4.14.7±1.359.9±7.56.5±3.3
2nd23.4±5.186.1±5.58.3±3.74.9±1.661.8±7.27.0±3.6
3rd23.5±5.486.1±5.88.5±4.35.0±1.762.1±7.57.0±3 8
  • Data are presented as mean±sd