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Table 2 Spectral waveform analysis and diameter for normal profile in dogs divided by gender and side

From: Ultrasound evaluation of common carotid artery blood flow in the Labrador retriever

Animal Females Males
   Average ± standard deviation Variation coefficient Average ± standard deviation Variation coefficient
R. Car. Art. Diastolic Min. V. 10.33 ± 3.14 30.40% 11.5 ± 2.42 21.04%
Systolic. Max. V. 72.16 ± 10.4 14.41% 78.5 ± 19.08 24.30%
Diameter (cm) 0.53 ± 0.06 11.32% 0.55 ± 0.06 10.90%
  PI 1.49 ± 0.19 12.75% 1.47 ± 0.14 9.53%
  RI 0.85 ± 0.06 7.06% 0.85 ± 0.05 5.88%
   Average ± standard deviation Variation coefficient Average ± standard deviation Variation coefficient
L. Car. Art. Diastolic Min. V. 13.33 ± 5.6 42.01% 12.83 ± 3.86 30.08%
Systolic. Max. V. 71.5 ± 21.6 30.20% 81.16 ± 13.64 16.80%
Diameter (cm) 0.53 ± 0.06 11.32% 0.56 ± 0.07 12.50%
  PI 1.36 ± 0.28 20.59% 1.45 ± 0.18 12.42%
  RI 0.8 ± 0.12 15.00% 0.84 ± 0.06 7.15%
  1. R. Car. Art right carotid artery, L. Car. Art left carotid artery, Min. V minimum velocity (cm/s), Max. V maximum velocity (cm/s), PI pulsatility index, RI resistance index.