Table 4

Within-day and between-day variability and confidence interval of pulse wave Doppler echocardiographic measurements of the tricuspid flow in 10 healthy adult Saanen goats performed 3 times at 1 day interval by the same observer
Observed Mean ± SD Confidence Intervals (5 – 95%) Within-day CV (%) Between-day CV (%)
E-Peak
Emax (m/s) 0.67 ± 0.15 0.60 – 0.73 9.82 10.34
Emean (m/s) 0.49 ± 0.12 0.44 – 0.54 10.11 10.88
VTI (cm) 10.60 ± 3.10 9.14 – 12.06 15.21 15.69
ET (ms) 220.6 ± 54.5 196.34 – 244.77 11.16 12.53
Dec Time (ms) 108.9 ± 34.7 86.23 – 131.72 22.03 23.81
Dec slope (m/s2) 6.89 ± 3.09 5.02 – 8.74 25.65 30.87
A-Peak
Amax (m/s) 0.58 ± 0.12 0.51 – 0.64 10.70 12.29
Amean (m/s) 0.45 ± 0.10 0.39 – 0.49 11.07 12.60
VTI (cm) 5.11 ± 1.24 4.30 – 5.91 16.20 17.97
ET (ms) 117.3 ± 24.2 103.86 – 130.77 11.41 13.08
E/A 1.16 ± 0.19 1.03 – 1.29 11.14 12.35

Amax: peak velocity of the tricuspid flow during the atrial contraction, Amean: mean velocity of the tricuspid flow during the atrial contraction, CI: Confidence Intervals, CV: Coefficient of variation, Dec: Deceleration, Emax: peak velocity of the tricuspid flow during the early ventricular filling, Emean: mean velocity of the tricuspid flow during the early ventricular filling, ET: Ejection time, SD: Standard deviation, VTI: Velocity time integral.

Leroux et al.

Leroux et al. BMC Veterinary Research 2012 8:190   doi:10.1186/1746-6148-8-190

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