Cognitive assessment results for the control group at assessments 1 and 2
| Assessment 1 Mean (SD) | Assessment 2 Mean (SD) | p Value | |
| Digit span (raw score) | 8.78 (1.20) | 9.11 (1.76) | 0.546 |
| Story recall immediate (standardised score) | 103.51 (13.27) | 114.54 (16.53) | 0.050 |
| Story recall delayed (standardised score) | 104.31 (16.70) | 111.19 (14.89) | 0.176 |
| List learning (standardised score) | 108.70 (7.66) | 108.11 (16.09) | 0.799 |
| List recall (standardised score) | 110.34 (11.39) | 101.15 (19.68) | 0.169 |
| KOLT (raw score) | 50.38 (5.78) | 46.38 (9.10) | 0.0424-150 |
| Verbal fluency index (seconds/word) | 6.93 (5.08) | 6.07 (4.59) | 0.161 |
↵4-150 p<0.05.