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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     
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     
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     
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)
  1. * = p < 0.05; ** = p < 0.01; *** = p < 0.001