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Table 3 Mean hypoxia counts, blood pressure, heart rate oxyhemoglobin saturation during normoxia and intermittent hypoxia in the OSA and control group

From: The effect of acute intermittent hypoxia on postprandial triglyceride levels in humans: a randomized crossover trial

 

OSA

Control

Normoxia

Hypoxia

Normoxia

Hypoxia

Frequency/hour

0.0 (0.0)

15.0 (3.8)

0.0 (0.0)

16.0 (5.7)

Systolic blood pressure (mmHg)

135.0 (19.4)

135.0 (19.4)

124.6 (4.0)

128.4 (8.6)

Diastolic blood pressure (mmHg)

79.4 (9.75.)

79.4 (8.7)

65.3 (6.1)

67.6 (5.4)

Heart rate (BPM)

 Mean

78.7 (11.0)

79.6 (7.0)

61.8 (14.1)

68.3 (14.9)*

 Maximum

118.3 (2.31)

98.7 (17.2)

97.8 (11.5)

102.5 (9.6)†

SpO2 (%)

 Mean

94.1 (2.2)

91.9 (1.7)†

96.8 (0.4)

93.8* (1.1)*

 Maximum

98.3 (1.5)

100.0 (0.0)

100.0 (0.0)

99.8 (0.5)

 Minimum

82.7 (6.4)

62.0 (7.2)†

92.0 (2.2)

53.3 (4.9)*

Time SpO2 ≤ 90(%) min

33.2. (55.9)

76.3 (36.0)

0.1 (0.2)

53.2 (22.2)*

Time SpO2 ≤ 85(%) min

0.5 (0.5)

26.3 (2.3)†

0.0 (0.0)

26.0 (16.2)*

Time SpO2 ≤ 80(%) min

0.1 (0.1)

13.5 (3.9)†

0.0 (0.0)

12.7 (7.8)*

  1. Data are expressed as mean (standard deviation)
  2. *Statistically significant difference between normoxia and intermittent hypoxia, p < 0.05
  3. †Statistical trend between normoxia and intermittent hypoxia, p < 0.1