Table 1.
Characteristics of the analyzed participants.
| Total (n = 426) | No/Mild OSA Group (n = 213) | Moderate/Severe OSA Group (n = 213) | P* | |
|---|---|---|---|---|
| Age (years) | 44.6 ± 14.7 | 39.7 ± 14.7 | 49.4 ± 13.0 | <.001 |
| Sex | <.001 | |||
| Male | 344 (80.8) | 156 (73.2) | 188 (88.3) | |
| Female | 82 (19.2) | 57 (26.8) | 25 (11.7) | |
| BMI (kg/m2) | 25.7 ± 4.1 | 24.4 ± 3.6 | 26.9 ± 4.2 | <.001 |
| AHI (events/h) | 27.4 ± 27.9 | 6.8 ± 4.4 | 48.0 ± 26.3 | <.001 |
| 3% ODI (events/h) | 21.0 ± 26.8 | 4.8 ± 10.3 | 37.2 ± 28.5 | <.001 |
| T90 (% of TST) | 8.0 ± 15.7 | 1.5 ± 6.6 | 14.5 ± 19.2 | <.001 |
| Neck circumference (cm) | 38.6 ± 3.6 | 37.2 ± 3.5 | 40.0 ± 3.2 | <.001 |
| STOP-BANG questionnaire | ||||
| Q1. Do you snore loudly? (yes) | 326 (76.5) | 131 (61.5) | 195 (91.5) | <.001 |
| Q2. Do you often feel tired, fatigued, or sleepy during daytime? (yes) | 368 (86.4) | 185 (86.9) | 183 (85.9) | .778 |
| Q3. Has anyone observed you stop breathing during your sleep? (yes) | 254 (59.6) | 83 (39.0) | 171 (80.3) | <.001 |
| Q4. Do you have or are you being treated for high blood pressure? (yes) | 136 (31.9) | 47 (22.1) | 89 (41.8) | <.001 |
| Q5. BMI > 35 kg/m2? (yes) | 9 (2.1) | 0 | 9 (4.2) | .002 |
| Q6. Age > 50-year-old? (yes) | 155 (36.4) | 54 (25.4) | 101 (47.4) | <.001 |
| Q7. Neck circumference > 40 cm? (yes) | 128 (30.0) | 30 (14.1) | 98 (46.0) | <.001 |
| Q8. Sex male? (yes) | 344 (80.8) | 156 (73.2) | 188 (88.3) | <.001 |
| Total score | 4.0 ± 1.5 | 3.2 ± 1.4 | 4.9 ± 1.2 | <.001 |
| Total score ≥ 3 | 354 (83.1) | 146 (68.5) | 208 (97.7) | <.001 |
Data are presented as the mean ± standard deviation or n (%). *P value between the no/mild and moderate/severe OSA groups. AHI = apnea-hypopnea index, BMI = body mass index, ODI = oxygen desaturation index, T90 = total sleep time below 90% oxygen saturation, TST = total sleep time.