Table 2 Mean (and 95% confidence interval) baseline, final follow-up, and change scores on the TICS-7, immediate word recall, and delayed word recall tests by age categories
From: A prospective cohort study of long-term cognitive changes in older Medicare beneficiaries
Independent Variable | Ages 69-75 | Ages 76-80 | Ages 81-85 | Ages 86 and Older |
|---|---|---|---|---|
Baseline | Â | Â | Â | Â |
TICS-7*** | 13.5 (13.4, 13.6) | 13.1 (12.9, 13.2) | 12.9 (12.7, 13.1) | 12.4 (12.0, 12.8) |
Immediate Word Recall*** | 5.1 (5.1, 5.2) | 4.6 (4.5, 4.7) | 4.1 (4.0, 4.2) | 3.7 (3.5, 3.9) |
Delayed Word Recall*** | 3.9 (3.8, 4.0) | 3.1 (3.0, 3.3) | 2.5 (2.3, 2.6) | 2.0 (1.8, 2.2) |
Final Follow-Up | Â | Â | Â | Â |
TICS-7*** | 13.2 (13.2, 13.3) | 12.7 (12.6, 12.9) | 12.4 (12.2, 12.7) | 11.8 (11.4, 12.2) |
Immediate Word Recall*** | 4.4 (4.3, 4.5) | 3.8 (3.7, 3.9) | 3.3 (3.2, 3.5) | 2.9 (2.7, 3.0) |
Delayed Word Recall*** | 3.1 (3.0. 3.2) | 2.4 (2.3, 2.5) | 2.0 (1.8, 2.1) | 1.5 (1.3, 2.7) |
Change Scores | Â | Â | Â | Â |
TICS-7 | -0.3 (-0.4, -0.2) | -0.3 (-0.5, -0.2) | -0.5 (-0.8, -0.2) | -0.6 (-1.0, -0.2) |
Immediate Word Recall | -0.7 (-0.8, -0.7) | -0.8 (-0.9, -0.6) | -0.7 (-0.9, -0.6) | -0.8 (-1.0, -0.2) |
Delayed Word Recall | -0.8 (-0.9, -0.7) | -0.8 (-0.9, -0.7) | -0.6 (-0.8, -0.5) | -0.7 (-0.9, -0.4) |