Table 1 Comparing the patients with and without obstructive sleep apnea (OSA) ^{a, b}

Age, years

54.29 ± 10.60

43.87 ± 11.78

< 0.001

BMI, kg/m²

31.57 ± 5.44

26.01 ± 2.81

< 0.001

Gender, male/female

36/31

28/24

0.990

MMSE score

25.98 ± 2.92

27.57 ± 2.32

0.002

Cognitive disorder

17 (25.4)

3 (5.8)

0.004

LVEF, %

53.13 ± 2.59

53.86 ± 2.36

0.115

Diastolic dysfunction

20 (29.9)

6 (11.5)

0.016

RA diameter, mm

13.84 ± 3.53

13.68 ± 2.94

0.789

RV mid diameter, cm

3.12 ± 0.36

3.10 ± 0.37

0.750

TRG, mmHg

23.55 ± 5.71

20.17 ± 4.41

0.001

RVSM, cm/sec

12.22 ± 2.21

13.17 ± 2.11

0.019

TAPSE, mm

19.81 ± 4.42

22.72 ± 3.89

< 0.001

FAC, %

40.48 ± 9.57

45.06 ± 9.01

0.009

PFO

8 (11.9)

11 (21.2)

0.174

Enlarged IVC

8 (11.9)

0 (0.0)

0.008

RVOT proximal diameter, cm

2.86 ± 0.45

2.86 ± 0.45

0.981

RVOT distal diameter, cm

2.17 ± 0.43

2.01 ± 0.81

0.228

PA size, mm

2.26 ± 0.87

2.01 ± 0.33

0.032

Transmitral E velocity, m/sec

0.70 ± 0.17

0.75 ± 0.19

0.169

Transmitral A velocity, m/sec

0.75 ± 0.21

0.62 ± 0.16

< 0.001

Transmitral E/A ratio

0.98 ± 0.28

1.25 ± 0.38

< 0.001

Septal annular E’ velocity, cm/sec

8.09 ± 1.10

9.29 ± 2.84

0.011

Lateral annular E’ velocity, cm/sec

10.15 ± 2.13

11.36 ± 3.12

0.018