Table 3.
Effect of persistency on CASI, MMSE, and CDR scores
| Score | Persistency | |
|---|---|---|
| Yes n = 180 |
No n = 105 |
|
| Change from baseline in CASI score | ||
| Week 24 | ||
| Number | 67 | 15 |
| Mean ± SD | 0.7 ± 7.93 | − 0.2 ± 7.92 |
| p value | 0.333 | 0.911 |
| Week 48 | ||
| Number | 143 | 25 |
| Mean ± SD | − 2.0 ± 9.33 | − 2.3 ± 8.98 |
| p value | 0.010* | 0.210 |
| Change from baseline in MMSE score | ||
| Week 24 | ||
| Number | 76 | 20 |
| Mean ± SD | 0.1 ± 2.63 | 0.6 ± 3.08 |
| p value | 0.855 | 0.395 |
| Week 48 | ||
| Number | 159 | 38 |
| Mean ± SD | − 0.3 ± 2.66 | − 1.1 ± 3.06 |
| p value | 0.124 | 0.041* |
| Summary of changes in the CDR score | ||
| Week 24, n (%) | ||
| − 1 stage | 3 (4.0) | 2 (10.0) |
| No change | 63 (84.0) | 15 (75.0) |
| + 1 stage | 9 (12.0) | 3 (15.0) |
| + 2 stages | 0 (0.0) | 0 (0.0) |
| Week 48, n (%) | ||
| − 1 stage | 6 (4.0) | 0 (0.0) |
| No change | 118 (79.2) | 29 (76.3) |
| + 1 stage | 25 (16.8) | 7 (18.4) |
| + 2 stages | 0 (0.0) | 2 (5.3) |
CASI cognitive assessment screening instrument, CDR clinical dementia rating, MMSE mini-mental state examination, SD standard deviation
*Statistical significance