Table 1 General and polysomnographic characteristics of the patients.
Mean ± Standard deviation | |
|---|---|
Sex (male:female) | 3952:1083 |
Age (years) | 50.6 ± 13.8 |
Body mass index (kg/m2) | 26.0 ± 4.1 |
Epworth Sleepiness Scale | 9.3 ± 4.9 |
Pittsburgh Sleep Quality Index | 7.7 ± 4.1 |
Sleep latency (min) | 17.8 ± 26.2 |
Sleep efficiency (%) | 80.6 ± 12.0 |
N3 stage percentage (%) | 7.6 ± 8.8 |
Rapid eye movement stage percentage (%) | 16.2 ± 6.4 |
Supine sleep time percentage (%) | 64.6 ± 25.9 |
Apnea–hypopnea index (/h) | 26.5 ± 22.7 |
Mean snoring percentage (/h) | 27.1 ± 20.2 |
Mean snoring episode index (/h) | 19.2 ± 14.9 |
Mean snoring episode duration (min) | 0.9 ± 0.7 |
Mean longest snoring episode duration (min) | 13.4 ± 12.7 |
