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Prolonged orthostatic challenge response for fast progressors (n = 17, black lines) and others (n = 31, gray lines). (A) Systolic blood pressure (SBP). (B) Diastolic blood pressure (DBP). Fast progressors were those with an Alzheimer’s Disease Assessment—cognitive subscale (ADAS-cog) increase of ≥12 points (n = 13) or who progressed too severely to perform the ADAS-cog at follow-up (n = 4). Filtered results are presented with a sample frequency of 10 Hz.
