Table 2

Time 1 prevalence of the well subjects and preclinical syndromes

Subgroup Prevalence (n (%))
Normal subjects146 ‚ÄČ(32.8)
CI77 (17.3)
Prevascular55 (12.4)
CI+prevascular25 (5.4)
Pre-EP45 (10.1)
CI+pre-EP42 (9.4)
Prevascular+pre-EP31 (7.0)
CI+pre-vascular+pre-EP24 (5.4)
Total445 (100)
  • CI=Cognitive impairment; Pre-EP=preclincal extrapyramidal.