Table 2

Prevalence of poststroke dementia: results of the subgroup analysis (1 year)

Subgroup (studies, n)One year
Prevalence, % (95% CI)Prevalence, % (95% CI), n studies
Including prestroke dementiaExcluding prestroke dementia
Stroke type*
Recurrent stroke33.4 (9.3 to 70.9), n=723.5 (12.7 to 39.1), n=1
First-ever stroke117.7 (6.1 to 41.9), n=111.0 (6.7 to 17.5), n=2
Mixed population28.6 (23.5 to 34.2), n=520.4 (4.1 to 60.4), n=5
P=0.000P=0.702