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Table 3 Outcomes over the study perioda in individuals with stable vs. unstable patterns of subjective cognitive decline (SCD) and controls (CON)b

From: Outcomes of stable and unstable patterns of subjective cognitive decline – results from the Leipzig Longitudinal Study of the Aged (LEILA75+)

  Total (n = 453) Stable SCD (n = 84) Unstable SCD (n = 195) CON (n = 174) P Value (group difference)
No cognitive decline, n (%) 329 (59.4) 48 (57.1) 156 (80.0) 125 (71.8)  
Mild cognitive impairment (MCI), n (%) 69 (15.2) 21 (25.0) 19 (9.7) 29 (16.7)
Dementia, n (%) 55 (12.1) 15 (17.9) 20 (10.3) 20 (11.5) <.01
Time to cognitive decline, median (95 %-CI) 7.15 (7.01–7.29) 6.15 (4.59–7.70) 7.35 (7.15–7.55) 7.18 (6.79–7.56) <.001
  1. atotal observation time: 8 years, mean observation time: 4.8 years (SD = 2.2)
  2. bindividuals without objective cognitive impairment and without SCD