Participant characteristics
| All participants (n=89) | High OSA risk (n=25) | Low OSA risk (n=64) | |
| Demographics | |||
| Men:women | 36:53 | 18:7 | 18:46 |
| Age, years | 35 (24–50) | 51 (33–55) | 33 (22–42) |
| Anthropometry | |||
| BMI, kg/m2 | 23.7 (21.0–26.7) | 25.9 (24.4–30.4) | 22.5 (20.7–25.4) |
| Neck, cm | 36.0 (33.9–39.6) | 39.3 (38.2–41.6) | 35.0 (33.5–38.1) |
| Body surface area, m2 | 2.0 (1.9–2.1) | 2.1 (2.0–2.3) | 2.0 (1.9–2.2) |
| STOP-BANG | |||
| Loud snoring, n (%) | 27 (30) | 16 (64) | 10 (16) |
| Witnessed apnoeas, n (%) | 12 (13) | 8 (32) | 3 (5) |
| Tiredness, n (%) | 59 (65) | 21 (84) | 36 (58) |
| Hypertension, n (%) | 20 (22) | 12 (48) | 8 (13) |
| BMI (≥35 kg/m2), n (%) | 3 (4) | 2 (8) | 1 (2) |
| Age (≥50 years), n (%) | 23 (26) | 15 (60) | 8 (13) |
| Neck size (≥40 cm), n (%) | 11 (12) | 5 (20) | 6 (9) |
| STOP-BANG score | 2 (1–3) | 4 (3–4) | 1.0 (1.0–2.0) |
| Aortic grafts | |||
| Aortic grafts, n (%) | 28 (31.5) | 13 (54) | 16 (26) |
| Blood pressure medication | |||
| Beta-blocker only, n (%) | 10 (11) | 2 (8) | 8 (13) |
| ARB only, n (%) | 28 (31) | 7 (28) | 21 (33) |
| Beta-blocker and ARB, n (%) | 37 (42) | 12 (48) | 25 (39) |
| None, n (%) | 14 (16) | 4 (16) | 10 (15) |
Continuous variables are represented as medians with the IQR in parenthesis. Dichotomous variables are represented as a count with the percentage in parenthesis.
ARB, angiotensin receptor blocker; BMI, body mass index; OSA, obstructive sleep apnoea.