TABLE 1.
Demographic data and comorbidities of the study population according to OSA severity.
| Variable | AHI | ||
|---|---|---|---|
| I ≤ 15 per h (n = 97) | II ≥ 15, but <30 per h (n = 83) | III ≥30 per h (n = 148) | |
| Age, mean (95%CI), years | 51.9 (49.1–54.6) | 56.0 (53.5–58.6) | 54.4 (52.4–56.4) |
| Male gender, n (%) | 53 (54.6) | 52 (62.7) | 120 (81.1) a , b |
| Smoking, yes, n (%) | 27 (31.8) | 24 (30.4) | 46 (33.1) |
| Neck circumference, mean (95%CI), cm | |||
| Male | 42.1 (41.1–43.2) | 43.5 (42.8–44.2) | 44.1 (43.5–44.7) a , b |
| Female | 38.7 (37.4–40.1) | 39.3 (38.5–40.1) | 40.4 (39.3–41.4) a |
| BMI>30.0, n (%) | 35 (36.8) | 42 (50.6) | 107 (73.3) a , b |
| Hypertension, n (%) | 38 (39.2) | 50 (60.2) c | 95 (64.2) a |
| Hyperlipidemia, n (%) | 26 (26.8) | 39 (47.0) c | 77 (52.0) a |
| Diabetes mellitus, n (%) | 13 (13.4) | 18 (21.7) | 34 (23.0) |
| Myocardial infarction, n (%) | 2 (2.8) | 4 (12.1) | 8 (12.7) |
| Patients on lipid lowering therapy, n (%) | 6 (8.5) | 5 (15.2) | 11 (17.5) |
a
III, vs. I < 0.05.
b
III, vs. II < 0.05.
c
II, vs. I < 0.05.