Fig. 2.

Forest plot of prevalence/incidence relative to outcome (dementia, delirium and cognitive impairment), classification/diagnostic method and time point.

Legend: Averaged = total pooled estimate of all studies within the time-point for cognitive outcome (delirium, dementia), RCI = contains reliable change index studies, Cut-off = contains cut-off method studies, 20% = contains 20% method studies, 1SD = contains 1 standard deviation method studies, With tool = utilized standardized diagnostic tools e.g. confusion assessment method, No tool = did not utilize a diagnostic tool.