Vigilance assessment in obstructive sleep apnoea patients
| Patients | ESS | Beck | OSleR | CPT | DS |
| 1 | 12 | 3 | X | X | |
| 2 | 12 | 10 | X | X | X |
| 3 | 4 | 2 | X | X | X |
| 4 | 19 | 9 | X | ||
| 5 | 10 | 9 | X | X | X |
| 6 | 3 | 2 | X | X | |
| 7 | 19 | 18 | X | ||
| 8 | 11 | 5 | X | ||
| 9 | 6 | 7 | X | X | |
| 10 | 19 | 9 | X | X | |
| 11 | 15 | 12 | X | X | |
| 12 | 9 | 4 | X | X | |
| 13 | 9 | 15 | X | X | X |
| 14 | 10 | 6 | X | X | |
| 15 | 3 | 0 | X | X | |
| 16 | 18 | 15 | X | X | |
| 17 | 18 | 5 | X | X | |
| 18 | 12 | 3 | X | ||
| 19 | 6 | 4 | X | X | X |
| 20 | 6 | 0 | |||
| Patients failing the test % | 75 | 65 | 55 | ||
ESS: Epworth sleepiness scale; OSleR: Oxford Sleep Resistance test; CPT: continuous performance test; DS: driving simulator; X: failed test (performance <2 sd from the mean performances of the control group).