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Table 3 Comparison of participants with obstructive sleep apnea (OSA), with or without a pre-existing diagnosis of OSA

From: Obstructive sleep apnea in Norwegian adults with achondroplasia: a population-based study

Variables

Pre-existing OSA diagnosis

Difference (95% CI)

P Value

Yes (n = 15)

No (n = 14)

Age > 40 years, %

80

50

30 (− 10 to 70)

0.19

Male gender, %

87

43

44 (6 to 82)

0.04

Current smoking, %

7

7

0 (− 19 to 18)

1.0

Moderate to severe OSA (AHI ≥ 15), %

67

50

17 (− 26 to 59)

0.59

Berlin Questionnaire (BQ)

 Total BQ score ≥ 2 (high risk), %

93

79

14 (− 17 to 47)

0.54

BQ category 1 (snoring)

 Snoring, %

87

93

− 6 (− 34 to 22)

1.0

 Loud snoring, %

53

50

3 (− 36 to 43)

1.0

 Frequent snoring, %

80

71

9 (− 29 to 47)

0.92

 Snoring bothering others, %

80

57

23 (− 17 to 63)

0.35

BQ category 2 (sleep)

 Observed breathing stops, %

67

7

60 (25 to 94)

0.004

 Unrested sleep, %

73

57

16 (− 25 to 57)

0.60

 Excessive daytime sleepiness, %

67

79

− 12 (− 42 to 31)

1.0

 Fallen asleep while driving, %

27

21

6 (− 31 to 42)

1.0

BQ category 3

 Hypertension, %a

47

50

0 (− 43 to 36)

1.0

 Body mass index > 30 kg/m2, %

87

79

8 (− 26 to 43)

0.93

  1. aHypertension was defined as systolic blood pressure ≥ 140 mm Hg, diastolic blood pressure ≥ 90 mm Hg, or antihypertensive drug treatment