Comparison of neuropsychological tests performed under the unassisted breathing condition and during ventilatory support
| Unassisted breathing | Ventilatory support | p-value | |
| PASAT (n=6) (number of correct answers, /60) | |||
| Version A | 35 (23–50) | 38 (27–44) | 0.43 |
| Version B | 39 (29–47) | 38 (28–51) | 0.27 |
| Versions A and B | 36 (23–52) | 38 (25–51) | 0.29 |
| TMT (n=7) (in seconds) | |||
| Version A | 46 (26–49) | 34 (29–47) | 0.38 |
| Version B | 78 (59–123) | 87 (55–110) | 0.46 |
| B – A | 46 (19–74) | 53 (13–71) | 0.39 |
| CORSI (n=7) (score: number of correct series; span: number of tapped cubes tapped during the last successful series) | |||
| Direct score (forward memory) | 10 (9–10) | 9 (6–11) | 0.23 |
| Indirect score (backward memory) | 6 (4–8) | 8 (5–9) | 0.14 |
| Direct span (forward memory) | 6 (6–7) | 5 (4–6) | 0.5 |
| Indirect span (backward memory) | 3 (2–4) | 4 (3–6) | 0.07 |
| Total | 14 (12–18) | 18 (11–20) | 0.26 |
Data presented as median (interquartile range). n: number of patients. PASAT: paced auditory serial addition test; TMT: trail making test; Corsi: Corsi block-tapping test.