Table 4.

 Mean difference in cognitive decline between aspirin and placebo groups during follow-up, from initial assessment

Cognitive test	Mean difference (95% CI)	P value
Global score*:
From first to second assessment	0.01 (−0.02 to 0.05)	0.45
From first to third assessment	0.01 (−0.03 to 0.04)	0.70
Average over follow-up	0.01 (−0.02 to 0.04)	0.50
Verbal memory score†:
From first to second assessment	0.02 (−0.02 to 0.06)	0.38
From first to third assessment	−0.01 (−0.05 to 0.03)	0.73
Average over follow-up	0.01 (−0.03 to 0.04)	0.71
TICS test:
From first to second assessment	0.01 (−0.13 to 0.16)	0.87
From first to third assessment	0.04 (−0.12 to 0.20)	0.61
Average over follow-up	0.02 (−0.11 to 0.16)	0.71
Category fluency:
From first to second assessment	−0.01 (−0.28 to 0.25)	0.91
From first to third assessment	0.25 (−0.02 to 0.52)	0.07
Average over follow-up	0.11 (−0.12 to 0.34)	0.34

TICS=telephone interview of cognitive status.

*Composite of five tests: TICS test, immediate and delayed recalls of east Boston memory test, delayed recall of 10 word list, and category fluency.

†Composite of four tests: immediate and delayed recalls of both 10 word list and east Boston memory test.