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Original Research

Decreased Vascular Pulsatility in Alzheimer’s Disease Dementia Measured by Transcranial Color-Coded Duplex Sonography

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Pages 3487-3499 | Published online: 20 Dec 2019

Figures & data

Table 1 Characteristics of HC and ADD Participants

Figure 1 (A–D) Resistance and pulsatility indices middle cerebral artery.

Abbreviations: RI, resistance index; PI, pulsatility index; MCA, middle cerebral artery; HC, healthy controls; ADD, Alzheimer’s disease dementia.
Figure 1 (A–D) Resistance and pulsatility indices middle cerebral artery.

Table 2 ROC Analyses for RI and PI of the Right and Left MCA

Table 3 ROC Analyses for Clustered Data of RI and PI of the MCA

Figure 2 (A, B) ROC analyses for clustered data.

Abbreviations: ADD, Alzheimer’s disease dementia; HC, healthy controls; AUC, area under the curve; RI, resistance index; PI, pulsatility index; MCA, middle cerebral artery.
Figure 2 (A, B) ROC analyses for clustered data.

Table 4 Spearman Correlation Analyses Between the CDR SOB and the RI and PI for All Participants

Table 5 Minimal Sample Size Calculation