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| Healthy | MCI | |
|---|---|---|
| (HDS-R score of 27 or higher) | (HDS-R score of 26 or lower) | |
| Mean number of characters in speech (SD)a | 462.86 (369.55) | 338.75 (291.80) |
| Mean number of characters in writing (SD) | 465.29 (116.35) | 553.50 (210.14) |
HDS-R, revised Hasegawa Dementia Scale; MCI, mild cognitive impairment; SD, standard deviation
a The number of characters in speech was counted after phonetic transcription.
