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Prevalence of (A) cognitive decline and (B) cognitive improvement based on relaxed, robust, and both (total prevalence) definitions of cognitive change at time-points after transcatheter aortic valve implantation. Time-point 1 ≤1 month; Time-point 2 ≥1 month and <6 months; Time-point 3 ≥6 months. Error bars represent 95% CI.
