Table 2.
Participant characteristics by presence of OSA
| All | No OSA | OSA | p | |
|---|---|---|---|---|
| Demographics | ||||
| Sex (F:M) | 74:88 | 25:12 | 49:76 | <0.001 |
| Age (years) | 47.4 ± 13.9 | 36.7 ± 11.6 | 50.6 ± 13.0 | <0.001 |
| Anthropometrics | ||||
| BMI (kg/m2) | 27.8 ± 4.5 | 27.6 ± 4.3 | 27.9 ± 4.6 | 0.44 |
| Weight (kg) | 181.3 ± 34.7 | 175.1 ± 32.3 | 183.1 ± 35.3 | 0.13 |
| Neck (cm) | 38.2 ± 3.8 | 36.2 ± 3.1 | 38.7 ± 3.8 | <0.001 |
| Waist (cm) | 95.2 ± 11.1 | 89.2 ± 8.7 | 97.0 ± 11.1 | <0.001 |
| Hip (cm) | 106.8 ± 8.8 | 105.9 ± 10.6 | 107.1 ± 8.3 | 0.72 |
| Sleep architecture | ||||
| Total sleep time (min) | 364.3 (328.6–401.1) | 378.3 (346.3–401.5) | 358.0 (323.0–400.0) | 0.10 |
| Sleep efficiency (%) | 85.7 (76.7–91.8) | 88.3 (82.0–93.5) | 84.8 (75.5–90.9) | 0.02 |
| Sleep latency (min) | 5.9 (2.2–13.8) | 7.4 (2.5–12.9) | 5.5 (2.2–13.8) | 0.98 |
| Slow wave sleep (%) | 14.9 (6.2–23.7) | 23.7 (11.1–28.0) | 13.4 (5.7–22.3) | <0.001 |
| Supine sleep (min) | 283.9 (162.5–355.6) | 309.5 (191.5–362.5) | 268.4 (156.1–344.0) | 0.16 |
| AHI and sleepiness | ||||
| ESS | 6.0 (4.0–8.0) | 5.0 (3.0–8.3) | 6.0 (4.0–8.0) | 0.43 |
| AHI (events/h) | 12.8 (5.4–24.1) | 2.4 (1.4–4.0) | 15.6 (9.0–29.9) | <0.001 |
| AI (events/h) | 3.2 (0.7–8.2) | 0.4 (0.2–0.9) | 4.6 (1.7–12.9) | <0.001 |
| HI (events/h) | 10.3 (4.9–17.0) | 2.3 (1.1–4.8) | 13.7 (7.9–19.7) | <0.001 |
| Snore parameters | ||||
| Self-reported snore score | 10.0 (7.0–13.0) | 9.0 (5.0–12.0) | 10.0 (7.0–13.0) | 0.13 |
| Snore latency (min) | 4.1 (1.3–11.5) | 11.5 (3.6–21.2) | 3.4 (0.9–7.7) | <0.001 |
| Snoring frequency (%) | 18.9 (5.8–44.3) | 3.3 (0.4–9.0) | 23.6 (10.1–46.9) | <0.001 |
| Snoring intensity (dB(A)) | 45.4 (43.2–47.7) | 43.0 (41.8–46.0) | 48.1 (45.0–51.7) | <0.001 |
Data is presented as mean ± SD and median (IQR) as appropriate.
AHI = apnea–hypopnea index, AI = apnea index, ESS = Epworth sleepiness scale, HI = hypopnea index.