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Effect of systolic blood pressure (SBP) variability over days 1 to 7 on cognition at day 90. Quintiles of SBP variability over days 1 to 7 (reference=first quintile) vs (A) telephone mini-mental state examination (t-MMSE; n=2019), (B) modified telephone interview for cognition scale (TICS-M; n=2001), (C) verbal fluency (n=2352). Multiple linear regression with adjustment for baseline prognostic covariates. Data are mean difference with 95% CI. GTN indicates glyceryl trinitrate.
