Table 1 Baseline patient characteristics.

From: Association of sleep disturbance and sleep apnea with the size of the thoracic aorta and the main pulmonary artery

All OSA patients (n = 155)

Grouped according to TST

With TST < 6 h (n = 31)

With TST ≥ 6 h (n = 124)

P value

Age, years

44.35 ± 12.46

49.55 ± 13.92

43.05 ± 11.75

0.021

Male sex, n (%)

132(85.16%)

27 (87.10%)

105 (84.67%)

0.735

BMI, kg/m2

28.01 ± 4.13

27.64 ± 3.69

28.10 ± 4.24

0.584

Neck circumference, cm

40.10 ± 3.76

40.00 ± 3.09

40.12 ± 3.93

0.873

Waist circumference, cm

98.03 ± 11.06

97.53 ± 8.94

98.16 ± 11.58

0.789

Hip circumference, cm

105.04 ± 8.73

104.67 ± 7.31

105.13 ± 9.09

0.796

Waist/hip

0.93 ± 0.06

0.93 ± 0.06

0.93 ± 0.06

0.946

Current smoking, n (%)

60 (38.71%)

12 (38.71)

48 (38.71%)

1.000

Hypertension, n (%)

50 (32.26%)

11(35.48%)

39 (31.45%)

0.668

Diabetes mellitus, n (%)

16 (10.32%)

2 (6.45%)

14 (11.29%)

0.428

ESS

9.15 ± 4.86

9.15 ± 3.88

9.15 ± 5.08

0.995

TST, minutes

415.19 ± 71.54

310.69 ± 42.87

441.31 ± 50.19

 < 0.001

SE, %

83.1% (10.8%)

70.1 ± 10.3

86.4 ± 8.2

 < 0.001

SL, min

16.5(22.9)

22.9 ± 22.9

14.9 ± 22.7

0.083

WASO, min

64.3 ± 33.3

92.0 ± 28.9

57.4 ± 30.8

 < 0.001

N1, %

22.34 ± 15.77

20.15 ± 15.74

22.89 ± 15.80

0.389

N2, %

44.35 ± 12.85

46.61 ± 12.89

43.79 ± 12.84

0.276

N3, %

13.09 ± 9.50

12.88 ± 10.27

13.14 ± 9.34

0.890

R, %

19.99 ± 6.82

20.02 ± 7.74

19.98 ± 6.60

0.973

AHI, events/h

41.80 ± 26.45

39.17 ± 24.71

41.46 ± 24.92

0.537

AI, events/h

25.73 ± 26.10

22.14 ± 20.33

26.63 ± 27.35

0.313

HI, events/h

15.54 ± 11.30

17.01 ± 14.39

15.18 ± 10.43

0.508

ODI, events/h

36.92 ± 28.38

34.72 ± 26.14

37.47 ± 28.99

0.631

T90, %

11.83 ± 20.39

10.49 ± 17.07

12.16 ± 21.19

0.684

SpO2min, %

76.55 ± 13.64

77.9 ± 13.39

76.22 ± 13.73

0.540

SpO2mean, %

93.80 ± 3.70

93.97 ± 3.02

93.76 ± 3.86

0.779

SBPmean, mmHg

132.41 ± 18.17

134.73 ± 20.07

131.83 ± 17.70

0.435

DBPmean, mmHg

84.39 ± 13.21

86.23 ± 13.32

83.93 ± 13.19

0.394

SD1/SD2

0.33 ± 0.16

0.30 ± 0.17

0.34 ± 0.16

0.256

MPA, mm

26.80 ± 3.31

26.42 ± 3.31

26.89 ± 3.31

0.475

AA, mm

31.79 ± 4.17

32.75 ± 5.58

31.55 ± 3.72

0.264

DTA, mm

33.28 ± 2.74

25.27 ± 3.25

23.80 ± 2.52

0.007

PA/A

0.85 ± 0.12

0.81 ± 0.11

0.86 ± 0.12

0.084

PA/A > 0.9, %

55 (35.48%)

9 (29.03)

46 (37.10)

0.401

  1. Data presented as mean ± standard deviation or n (%).
  2. AA ascending aorta, AHI apnea–hypopnea, BMI body mass index, DBP diastolic blood pressure, DTA descending thoracic aorta, ESS Epworth Sleepiness Scale, MPA main pulmonary artery, ODI oxygen desaturation index, SpO2mean nocturnal oxygen saturation, SpO2min minimum nocturnal oxygen saturation, T90 time of oxygen saturation < 90%, TST total sleep time, OSA obstructive sleep apnea, WASO wake after sleep onset, SBP systolic blood pressure, SE sleep efficiency, SL sleep latency, SD1/SD2 short-term variability/long-term variability.
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