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.