Table 2. Between-day coefficient of variation (CV) and 95% confidence intervals (95% CI) of echocardiographic measurements performed in 20 adult goats on two consecutive days.
Echocardiographic measurement | Units | Mean (SD) | CV(%) | 95% CI for CV | Variabilitya |
---|---|---|---|---|---|
LAD | cm | 3.43 (0.19) | 5.5% | 3.7%, 7.2% | low |
AoD | cm | 2.73 (0.14) | 5.2% | 3.5%, 6.8% | low |
LAD/AoD | 1/1 | 1.26 (0.09) | 7.4% | 5.0%, 9.7% | low |
RVIDd | cm | 1.18 (0.17) | 14.4% | 9.8%, 19.1% | moderate |
LVIDd | cm | 4.24 (0.25) | 5.9% | 4.0%, 7.7% | low |
LVIDs | cm | 2.59 (0.18) | 7.0% | 4.8%, 9.3% | low |
LVPWd | cm | 0.89 (0.13) | 15.0% | 10.1%, 19.8% | moderate |
LVPWs | cm | 1.19 (0.15) | 12.5% | 8.5%, 16.5% | moderate |
IVSd | cm | 0.9 (0.11) | 12.7% | 8.6%, 16.8% | moderate |
IVSs | cm | 1.12 (0.12) | 10.4% | 7.0%, 13.7% | low |
EPSS | cm | 0.54 (0.11) | 19.8% | 13.3%, 26.4% | high |
LVEF | % | 69.16 (5.08) | 7.3% | 5.0%, 9.7% | low |
FS | % | 39 (3.88) | 9.9% | 6.8%, 13.1% | low |
LVOT Vmax | cm/s | 107 (9) | 8.6% | 5.8%, 11.3% | low |
LVOT PGmax | mmHg | 4.62 (0.81) | 17.6% | 11.8%, 23.3% | moderate |
RVOT Vmax | cm/s | 97 (9) | 9.5% | 6.5%, 12.5% | low |
RVOT PGmax | mmHg | 3.83 (0.71) | 18.5% | 12.4%, 24.6% | moderate |
a classes of variability according to Leroux et al. [4]: <5% very low, 5–15% low, 15–25% moderate, >25% high–the upper limit of the 95% confidence interval for CV determines the class to which it belongs