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Table 6 Polysomnographic values in SAHS group

From: Cerebral hemodynamics is altered in patients with sleep apnea/hypopnea syndrome

 

Mean

SD

Range

AHI (number/h)

58.9

24.3

10–122

ODI (number/h)

40.0

28.4

0–92

AI (number/h)

58.4

21.1

19–121

Baseline O2 saturation (%)

96.1

1.2

92–98

Mean O2 saturation (%)

91.7

2.7

81–96

Minimal O2 saturation (%)

74.8

10.1

42–90

CT90 (%)

22.2

28.0

0–97

  1. SAHS sleep apnea/hypopnea syndrome, AHI apnea/hypopnea index, ODI 4 % oxygen desaturation index, AI EEG arousal index, CT 90 total sleep time percentage with O2 saturation lower than 90 %