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Subgroup analysis for prediction of high VA-PI on PWMH progression during follow-up. Group of high VA-PI means participants with baseline VA-PI > 0.812. Bold represents statistically significant components (p < 0.05).
BMI, body mass index; NA, not applicable; PI, pulsatility index; PWMH, periventricular white matter hyperintensities; SVD, cerebral small vessel disease; VA, vertebral artery.
