Table 2 Comparison of polysomnographic findings and questionnaire between both groups

Patient, no

45 (65.2%)

24 (34.8%)

ESS score

4.5 ± 3.8

8.5 ± 5.2

 < 0.001**

ESS degree

 Normal

41 (70.7%)

17 (29.3%)

0.01*

 Mild

2 (40%)

3 (60%)

 Moderate

2 (100%)

0

 Severe

0

4 (100%)

SBQ questionnaire

 Low

29 (82.9%)

6 (17.1%)

0.005**

 Intermediate

13 (52%)

12 (48%)

 High

3 (33.3%)

6 (66.7%)

Sleep efficiency (%)

71.9 ± 16.5

65.8 ± 20.8

0.2

Sleep latency (minute)

19.6 ± 15.7

13.6 ± 9.1

0.09

REM (%)

19.1 ± 7.8

17.8 ± 7.3

0.5

 Stage 1 (%)

15.9 ± 7.6

16.8 ± 7.1

0.6

 Stage 2 (%)

49.6 ± 8.7

48.7 ± 8.2

0.7

 Stage 3, 4 (%)

15.3 ± 6.2

16.7 ± 6.1

0.4

Arousal

130.6 ± 87.5

141.4 ± 102.8

0.6

Arousal index

28.4 ± 16.6

29.7 ± 21.7

0.8

RERA

 RERA event number

7.8 ± 9

11.2 ± 17.4

0.3

 RERA index

1.9 ± 2.4

2.2 ± 2.7

0.7

RDI

4.4 ± 6.8

19.1 ± 14.5

 < 0.001

RDI degree

 Mild

7 (33.3%)

14 (66.7%)

0.6

 Moderate

1 (20%)

4 (80%)

Severe

1 (14.3%)

6 (85.7%)

Minimal SO₂%

83.4 ± 8.8

75.01 ± 11.03

0.001**

Average SO₂%

93.4 ± 3.7

91 ± 4.7

0.02*

Biggest desaturation %

7.8 ± 4.02

12.2 ± 6.6

0.001**

Average desaturation %

4.9 ± 1.1

5.5 ± 1.3

0.03*

Longest desaturation (sec)

73.9 ± 45.2

87.2 ± 44.1

0.2

TST < 90%

16.9 ± 29.9

29.6 ± 36.5

0.1

Number of desaturations

17.7 ± 44.2

63.9 ± 63.9

0.001**

ODI

2.3 ± 3.3

12.9 ± 13.1

 < 0.001**

Desaturation degrees

 Mild

9 (50%)

9 (50%)

0.04*

 Moderate

4 (50%)

4 (50%)

 Severe

0

5 (100%)

HR

 Max. HR

114.04 ± 25.2

109.9 ± 22.3

0.5

 Mini. HR

61..5 ± 12.4

63.8 ± 13.7

0.5

 Average HR

77.5 ± 13.6

80.2 ± 14.9

0.5

PLM

28.8 ± 42.3

38.3 ± 46.7

0.4

PLM number

3.6 ± 5.2

4.8 ± 5.8

0.3

PLM degree

 Normal

35 (66%)

18 (34%)

0.8

 Mild

10 (62.5%)

6 (37.5%)