Table 2.
Neuropsychological test battery instances of floor and ceiling values, number of cases
| N Baseline | N Follow-up | Ceiling Baseline (%) | Ceiling Follow-up (%) | Floor Baseline (%) | Floor Follow-up (%) | |
|---|---|---|---|---|---|---|
| Sum of learning over four trials | 98 | 68 | 0.0 | 0.0 | 1.0 | 2.9 |
| Delayed free recall | 97 | 68 | 4.1 | 4.4 | 30.9 | 52.9 |
| Delayed recognition | 97 | 68 | 32.0 | 29.4 | 0.0 | 7.4 |
| Trailmaking time to complete | 97 | 67 | 0.0 | 0.0 | 27.8 | 31.3 |
| Trailmaking (number correct) | 97 | 68 | 68.0 | 63.2 | 1.0 | 4.4 |
| Number cancellation (number correct) | 95 | 63 | 3.2 | 1.6 | 2.1 | 4.8 |
| Digits backwards | 96 | 67 | 2.1 | 0.0 | 4.2 | 16.4 |
| Stroop colour word (number correct) | 92 | 54 | 0.0 | 1.9 | 0.0 | 3.7 |
| Digit symbol substitution | 95 | 63 | 0.0 | 0.0 | 0.0 | 6.3 |
| Category or letter fluency | 94 | 65 | 0.0 | 0.0 | 2.1 | 3.1 |
| Confrontation naming | 95 | 62 | 9.5 | 6.5 | 3.2 | 4.8 |
| Verbal similarities | 93 | 58 | 0.0 | 0.0 | 6.5 | 13.8 |
| MMSE | 98 | 68 | 8.2 | 2.9 | 0.0 | 1.5 |
All subjects including PLA were included.