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Table 2 PSG examination parameters and questionnaire results of the participants

From: Performance of brief ICF-sleep disorders and obesity core set in obstructive sleep apnea patients

Category

No OSA(n = 162)

Mild (n = 129)

Moderate(n = 134)

Severe (n = 167)

p value

AHI

1.65 ± 1.54

9.55 ± 3.09

21.87 ± 4.33

48.21 ± 14.19

<  0.0001

Max apnea time

15.43 ± 17.28

36.31 ± 15.86

51.62 ± 18.84

69.35 ± 22.21

<  0.0001

SaO2 nadir

88.19 ± 5.64

82.76 ± 7.69

79.21 ± 7.98

69.96 ± 9.244

<  0.0001

Max pulse

109.40 ± 20.47

107.80 ± 18.55

109.60 ± 19.15

111.50 ± 18.02

0.25

4% decline of SaO2 index

5.04 ± 7.75

12.67 ± 7.40

21.41 ± 15.94

40.85 ± 16.9

<  0.0001

  1. Data are presented as Mean ± standard deviations. Differences were compared among the 4 groups
  2. SaO2, oxygen saturation. The data of significant difference were marked in bold