Table 1 Descriptive characteristics of the cohort (N = 50).

From: Blood–brain barrier integrity is linked to cognitive function, but not to cerebral arterial pulsatility, among elderly

Health parameter

Mean (SD)

Age (years)

76.3 (4.1)

Sex (men/women)

31/19

Body mass index

25.1 (3.7)

Diabetes mellitus

6

Hypertension

29

Hyperlipidemia

25

Atrial fibrillation

9

Transient ischemic attack

2

SBP (mmHg)

135 (17)

DBP (mmHg)

75.3 (9.3)

MoCA score

26.3 (2.2)

ICA PI

1.14 (0.20)

Distal arterial PI

0.99 (0.16)

tCBF (ml/min)

556 (98)

  1. *Participants with both DCE MRI and 4D flow MRI. The internal carotid artery (ICA) pulsatility index (PI) was obtained by averaging left and right ICA waveforms. Total cerebral blood flow (tCBF) refers to the sum of the inflow through the ICAs and the basilar artery. SD, standard deviation.
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