Table 3 Comparison between patients with OSA and those without OSA regarding different variables

Age (years)

  < 50

3

23.1

6

13

0.789

0.398

  ≥ 50

10

76.9

40

87

Sex

 Male

4

30.8

13

28.3

0.031

1.000

 Female

9

69.2

33

71.7

Comorbidities

 No

4

30.8

3

6.5

5.699^*

^FEp = 0.036^*

 Yes

9

69.2

43

93.5

NC

  < 40

6

46.2

17

37.0

0.360

0.548

  ≥ 40

7

53.8

29

63.0

Min.–max

37.0–45.0

36.0–45.0

t = 0.857

0.395

Mean ± SD

40.0 ± 2.16

40.63 ± 2.39

Median (IQR)

40.0 (38–41)

40.0 (39–42)

WHR

 Negative

9

69.2

15

32.6

5.633^*

0.018^*

 Positive

4

30.8

31

67.4

Min. – max

0.72–1.03

0.70–1.03

t = 1.745

0.086

Mean ± SD

0.85 ± 0.09

0.90 ± 0.09

Median (IQR)

0.84 (0.8–0.9)

0.90 (0.9–0.9)

Mallampati score

 1 and 2

9

69.2

14

30.4

6.414^*

0.011^*

 3 and 4

4

30.8

32

69.6

Min.–max

1.0–4.0

1.0–4.0

U = 179.0^*

0.016^*

Mean ± SD

2.31 ± 1.11

3.20 ± 1.15

Median (IQR)

2.0 (2.0–3.0)

4.0 (2.0–4.0)

According to STOP BANG questionnaire into

 Low risk (< 3)

6

46.2

5

10.9

8.319^*

0.009^*

 High risk (≥ 3)

7

53.8

41

89.1