Comparing patients performing before and after 12:00 h
| Parameters | Patients performing before 12:00 h (n=112) | Patients performing after 12:00 h (n=93) | p Values (t tests) |
| Mean (SD) | |||
| Age (years) | 52.7 (10.5) | 52.2 (10.5) | 0.74 |
| BMI (kg/m2) | 34 (6.3) | 35 (7) | 0.25 |
| ESS | 11 (6) | 12 (5) | 0.15 |
| AHI (events/hour) | 32.6 (23.3) | 32.7 (20) | 0.96 |
| ODI (events/hour) | 32.6 (22.5) | 35.4 (24) | 0.41 |
| SDLP (metres) | 0.42 (0.15) | 0.44 (0.13) | 0.38 |
| VeerRT (sec) | 1.63 (0.54) | 1.59 (0.47) | 0.65 |
AHI, Apnoea Hypopnoea Index; BMI, Body mass index; ESS, Epworth Sleepiness Scale; ODI, Oxygen Destauration index; SDLP, Mean of SD of lane position; VeerRT, Reaction time at the Veer event.