2. Results of SPS3 2014 (mean Cognitive Abilities Screening Instrument (CASI) z‐score over time by assigned antiplatelet treatment).

Time since baseline assessment (years)	Aspirin + clopidogrel			Aspirin + placebo
	n	Mean	SD	n	Mean	SD
0	1468	−0.58	1.38	1448	−0.61	1.48
1	1242	−0.38	1.28	1230	−0.42	1.43
2	974	−0.31	1.28	994	−0.39	1.37
3	752	−0.28	1.32	769	−0.39	1.42
4	559	−0.27	1.35	576	−0.33	1.45
5	392	−0.29	1.37	411	−0.43	1.60

Results table extracted from Pearce SPS3 2014. Higher score indicates better performance.
n: number of participants; SD: standard deviation.