Table 1 Baseline characteristics and time to investigation and treatment.

From: A randomized controlled trial of an ambulatory approach versus the hospital-based approach in managing suspected obstructive sleep apnea syndrome

 

Home (n = 157)

Hospital (n = 159)

P-value

Age

51.0 (12.9)

52.1 (11.3)

0.403

Male sex [n(%)]

107 (68.2%)

118 (74.2%)

0.264

Current smoker [n(%)]

20 (12.8%)

24 (15.1%)

0.691

Current drinker [n(%)]

26 (23.0%)

31 (26.3%)

0.765

Congestive Heart Failure [n(%)]

6 (3.8%)

5 (3.1%)

0.769

Diabetes Mellitus [n(%)]

25 (15.9%)

30 (18.9%)

0.554

Hypertension [n(%)]

72 (45.9%)

86 (54.1%)

0.177

Stroke [n(%)]

5 (3.2%)

2 (1.3%)

0.281

Ischemic Heart Disease [n(%)]

9 (5.7%)

11 (6.9%)

0.818

Hyperlipidemia [n(%)]

32 (20.4%)

32 (20.1%)

1.000

BMI (kg/m2)

27.4 (5.3)

28.3 (4.6)

0.115

Neck circumference (cm)

38.6 (3.6)

39.6 (3.8)

0.013

Waist circumference (cm)

95.4 (12.1)

97.3 (11.2)

0.171

Hip circumference (cm)

102.2 (9.5)

101.6 (8.1)

0.527

ESS (0–24)

11.0 (5.6)

9.6 (5.4)

0.025

AHI (events/hr)

24.1 (20.7)

30.8 (27.5)

0.023

ODI (events/hr)*

21.7 (19.8)

22.6 (23.4)

0.724

  1. N = 157 (group A, home-based) vs 159 (group B, hospital-based).
  2. *Oxygen desaturation index (ODI) refers to the number of times per hour of sleep that the blood oxygen level dropped by at least 4% from baseline.
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