Demographic characteristics of obstructive sleep apnoea syndrome patients with and without excessive daytime sleepiness(EDS)
| EDS | No EDS | p-value | |
| Subjects n | 23 | 17 | |
| Age yrs | 49±6 | 50±9 | ns |
| BMI kg·m−2 | 33±5 | 31±6 | ns |
| Awake Sa,O2 % | 96±1 | 96±1 | ns |
| ESS score | 17±3 | 5±2 | <0.0001 |
| MSLT score min | 4±1 | 16±3 | <0.0001 |
Data are presented as mean±sd, unless otherwise stated. ns: nonsignificant; BMI: Body mass index; Sa,O2: arterial oxygen saturation; ESS: Epworth Sleepiness Scale; MSLT: multiple sleep latency test.