Health-Related Quality of Life and Sleep Quality after 12 Months of Treatment in Nonsevere Obstructive Sleep Apnea: A Randomized Clinical Trial with Continuous Positive Airway Pressure and Mandibular Advancement Splints
Table 1
Patient characteristics at baseline, n (%).
Baseline variables
Total (n = 104)
CPAP (n = 55)
MAS (n = 49)
Age at inclusiona
51.7 (9.8)
53.3 (10.2)
49.6 (9.0)
BMI at inclusiona
31.5 (6.7)
30.8 (6.2)
32.4 (7.2)
AHI at inclusionb
17.6 (13.2–23.5)
18.1 (15.3–24.6)
16.3 (12.4–23.0)
Sex
Female
37 (35.6)
17 (30.9)
20 (40.8)
Male
67 (64.4)
38 (69.1)
29 (59.2)
Marital status
Cohabitating
81 (77.9)
44 (80.0)
37 (75.5)
Living alone
23 (22.1)
11 (20.0)
12 (24.5)
Allergic rhinitis
Yes
17 (16.3)
9 (16.4)
8 (16.3)
No
87 (83.7)
46 (83.6)
51 (83.7)
Self-reported health
Good-excellent
29 (27.9)
16 (29.1)
13 (26.5)
Poor-fair
75 (72.1)
39 (70.9)
36 (73.5)
Education level
College or university
50 (48.1)
23 (41.8)
27 (55.1)
Other education
54 (51.9)
32 (58.2)
22 (44.9)
Alcohol consumption
≤1 time/week
83 (79.8)
43 (78.2)
40 (81.6)
>1 time/week
21 (20.2)
12 (21.8)
9 (18.4)
Smoking status
Nonsmoking
83 (79.8)
41 (74.5)
42 (85.7)
Smoking
21 (20.2)
14 (25.5)
7 (14.3)
CPAP: continuous positive airway pressure; MAS: mandibular advancement splint; BMI: body mass index (kg/m2); AHI: apnea-hypopnea index. aMean (standard deviation); bmedian (25–75 percentiles). Allergic rhinitis: any respiratory complaints attributed to allergic rhinitis; smoking: current occasional or daily use of smoking tobacco.
