Table 5 Comparisons between patients with severe and mild to moderate OSA in REM and NREM sleep.

From: Comparison between blood pressure during obstructive respiratory events in REM and NREM sleep using pulse transit time

Variables

Awake

Sleep

REM-OSA ≥ 30 (n = 24)

REM-OSA < 30 (n = 8)

p-value

NREM-OSA ≥ 30 (n = 16)

NREM-OSA < 30 (n = 16)

p-value

Mean obstructive event duration

129 ± 19.1

122.7 ± 15.7

22.9 ± 8.2

26.2 ± 18.1

0.7

20.8 ± 5.7

20.9 ± 4.1

0.9

Time with SpO2 < 90% (min)

76.6 ± 11

76.8 ± 10.4

13.8 ± 19.4

7.3 ± 4.5

0.8

15.5 ± 23.8

2.7 ± 4.1

0.06

During the obstructive event

Systolic BP during obstructive event

  

130.2 ± 18.6

130.7 ± 12.3

0.96

130.1 ± 17.3

123.1 ± 14.7

0.05

Diastolic BP during obstructive event

  

82.6 ± 10.2

76.8 ± 13

0.2

79.9 ± 11.7

73.6 ± 7.6

0.3

Post-obstructive event

Systolic BP Post-Events

  

129.4 ± 19.2

131.5 ± 13.5

0.8

131.8 ± 17.8

124.6 ± 17.4

0.4

Diastolic BP Post-Events

  

81.9 ± 10.6

77.8 ± 13.9

0.4

82.8 ± 10.7

75.4 ± 12.4

0.1