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Table 4 Intra-rater reliability between repeated measures of blood pressure indices

From: Association between central blood pressure, arterial stiffness, and mild cognitive impairment

Index Intraclass Correlation Coefficient (95% CI)
Brachial systolic blood pressure 0.97 (0.95, 0.98)
Brachial diastolic blood pressure 0.97 (0.94, 0.98)
Brachial pulse pressure 0.96 (0.92, 0.98)
Mean arterial pressure 0.97 (0.94, 0.98)
Central systolic blood pressure 0.97 (0.96, 0.99)
Central diastolic blood pressure 0.96 (0.93, 0.98)
Central pulse pressure 0.97 (0.94, 0.98)
Central augmentation pressure 0.94 (0.89, 0.96)
Central augmentation index 0.92 (0.85, 0.95)