Table 1.
Characteristics of study population.
| n=3854 | Variables |
|---|---|
| ClinicalCharacteristics | |
| Age(years)* | 55 (44-65) |
| Males | 61.5% |
| Females | 38.5% |
| BMI (kg/m2)* | 30.9 (27-36) |
| -Obesity (BMI ≥30) | 57% |
| Epworth score(points)* | 7 (4-11) |
| -Epworth >10 | 29% |
| STOP-BANG score (SB)* | 4 (3-6) |
| - SB ≥ 5 | 48.5% |
| Hypertension | 52% |
| Respiratory Polygraphy Indicators | |
| Total Valid Recording Time(min) | 396 (345-450) |
| AHI(events/hour)* | 14 (6-26) |
| -AHI <5 | 18% |
| -AHI ≥5 y <15 | 34% |
| -AHI ≥15 y <30 | 27% |
| -AHI ≥30 | 21% |
| ODI (events/hour)* | 14.7 (7-27) |
| T90 (%)* | 7 (1-24) |
*
expressed as median value (interquartilerange); AHI: Apnea-hypopnea Index; ODI: O2 desaturation index ≥3%; T90: Time spent with oxygen saturation below90%.