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Cognitive outcome at 2–3 years' follow-up among cognitively impaired subjects
| Initial cognitive classification | No cognitive impairment at follow-up, % | Impaired cognition at follow-up, % |
|---|---|---|
| aMCI-1 (n = 16) | 50.0 | 50.0 |
| aMCI-2+ (n = 10) | 0 | 100.0 |
| naMCI-1 (n = 41) | 36.6 | 63.4 |
| naMCI-2+ (n = 11) | 18.2 | 81.8 |
| a+naMCI (n = 56) | 8.9 | 91.1 |
χ2 (d.f. = 4) = 20.83; p = 0.001. aMCI-1, aMCI-2+, naMCI-1, naMCI-2+ and a+naMCI are defined in Methods.
