Table 1 Demographic characteristics and questionnaires.

From: Nocturnal hypoxemia is related to morning negative affectivity in untreated patients with severe obstructive sleep apnea

 

Control

Mild to moderate OSA

Severe OSA

p value

Number of patients, N

11

19

11

‒

Age, years

25.3 ± 14.6

48.6 ± 12.8

45.4 ± 14.1

0.0002*

Male, N (%)

7 (63.6)

15 (78.9)

11 (100)

0.0961

BMI (kg/m2)

20.3 ± 4.0

23.8 ± 3.9

28.1 ± 4.9

0.0005*

Smoking habit, N (%)

1 (9.1)

3 (15.8)

3 (27.3)

0.5155

Co-morbidity (including duplicates)

Hypertension

0 (0)

1 (5.3)

3 (27.3)

0.0653

Diabetes mellitus

0 (0)

0 (0)

2 (18.2)

0.0569

Hyperlipidemia

0 (0)

3 (15.8)

1 (9.1)

0.3715

Others

3 (27.3)

4 (21.1)

3 (27.3)

0.8986

Questionnaires

ESS, points

7.6 ± 6.0

12.6 ± 6.4

10.1 ± 6.0

0.1109

PSQI, points

7.4 ± 4.2

6.7 ± 3.0

6.6 ± 3.7

0.8653

SDS, points

44.0 ± 11.9

41.6 ± 7.4

40.8 ± 9.1

0.6982

  1. AHI, apnea-hypopnea index; BMI, body mass index; ESS, Epworth Sleepiness Scale; OSA, obstructive sleep apnea; PSQI, Pittsburgh Sleep Quality Index; SDS, Self-rating Depression Scale; *, p < 0.05.
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