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Table 2 Normative data for story recall stratified by age and education

From: The Chinese version of story recall: a useful screening tool for mild cognitive impairment and Alzheimer’s disease in the elderly

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%   
  1. Note: ISR = Immediate story recall; DSR = Delayed story recall.