Table 2 Normative data for story recall stratified by age and education
Age 50-64 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Education (years) | ≤9 (n = 23) | >9 (n = 54) | Total subjects (n = 77) | ||||||
Mean ± SD | Percentiles | Mean ± SD | Percentiles | Mean ± SD | Percentiles | ||||
5th | 10th | 5th | 10th | 5th | 10th | ||||
ISR | 29.04 ± 9.70 | 8 | 20 | 33.04 ± 8.31 | 16.0 | 19.0 | 31.18 ± 8.89 | 16.2 | 20.0 |
DSR | 24.48 ± 8.94 | 3.75 | 16.0 | 30.46 ± 7.99 | 13.0 | 18.0 | 28.10 ± 8.54 | 13.4 | 18.0 |
Percentage story retained (DSR/ISR × 100%) | 81.47% | 92.79% | 90.07% | ||||||
Age 65-74 | |||||||||
Education (years) | ≤9 (n = 22) | >9 (n = 47) | Total subjects (n = 69) | ||||||
Mean ± SD | Percentiles | Mean ± SD | Percentiles | Mean ± SD | Percentiles | ||||
5th | 10th | 5th | 10th | 5th | 10th | ||||
ISR | 28.41 ± 10.98 | 7.35 | 15.6 | 31.47 ± 7.33 | 19.0 | 21.0 | 30.16 ± 8.43 | 17.75 | 19.5 |
DSR | 23.91 ± 9.14 | 10.0 | 10.6 | 28.43 ± 7.12 | 13.0 | 16.0 | 26.22 ± 8.92 | 12.0 | 15.0 |
Percentage story retained (DSR/ISR × 100%) | 87.32% | 90.73% | 87.37% | ||||||
Age 75-85 | |||||||||
Education (years) | ≤9 (n = 12) | >9 (n = 27) | Total subjects (n = 39) | ||||||
Mean ± SD | Percentiles | Mean ± SD | Percentiles | Mean ± SD | Percentiles | ||||
5th | 10th | 5th | 10th | 5th | 10th | ||||
ISR | 25.17 ± 7.58 | 13.0 | 13.6 | 29.19 ± 7.05 | 13.7 | 15.8 | 27.75 ± 7.95 | 13.5 | 15.0 |
DSR | 22.58 ± 7.79 | 11.0 | 12.2 | 25.37 ± 8.26 | 10.5 | 12.8 | 24.42 ± 8.90 | 11.0 | 13.0 |
Percentage story retained (DSR/ISR × 100%) | 82.59% | 85.79% | 85.90% | ||||||