Characteristics of the patient population sample
| Characteristic | ||
| Mean Age years (range) | 54 (31-82) | |
| Gender (male/female) | 2.7:1 | |
| BMI (kg/m2) | 38 (9) | |
| ESS at diagnosis ESS post treatment | 13 (5) 7 (5) | |
| ODI at diagnosis | 21 (20) | |
| ODI post treatment | 4 (12) | |
| Compliance hours/night (measured by CPAP device) | 5.8 (2) | |
| Compliance with CPAP treatment >3.5 hours/night | 72% | |
| Recorded evidence in medical notes of advice regarding the DVLA | 79% |
BMI, body mass index; ESS, Epworth Sleepiness Score; ODI, oxygen desaturation index (4% drop in saturation/hour); CPAP, continuous positive airway pressure Data presented as mean (SD) unless specified