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Table 2 Reproducibility data for wavelet transform analysis and entropy in carotid, ophthalmic (OA) and central retinal arteries (CRA)

From: Ultrasound entropy may be a new non-invasive measure of pre-clinical vascular damage in young hypertensive patients

  OA CRA Carotid
(CoV) (CoV) (CoV)
Resistive index 6.17 23.07 4.77
Pulsatility index 20.76 39.11 12.32
Entropy 1.93 2.14 2.14
  1. CoV = coefficient of variation.