|
Parameter
|
Ventricle
|
Variability
|
Mean
|
CI (95%)
|
p-value
|
|---|
|
Ecc
SAX
|
LV
|
Intra-observer
|
24.1
|
22.3-25.8
|
0.06
|
| | | |
22.7
|
20.8-24.6
| |
| | |
Inter-observer
|
24.1
|
22.3-25.8
|
0.61
|
| | | |
24.6
|
22.6-26.6
| |
|
Err
SAX
|
LV
|
Intra-observer
|
19.6
|
15.8-23.4
|
0.86
|
| | | |
19.9
|
16.5-23.2
| |
| | |
Inter-observer
|
19.6
|
15.8-23.4
|
0.06
|
| | | |
25.4
|
22.3-28.4
| |
|
Err
LAX
|
LV
|
Intra-observer
|
15.3
|
12.7-18
|
1
|
| | | |
15.3
|
13-17.7
| |
| | |
Inter-observer
|
15.3
|
12.7-18
|
0.32
|
| | | |
16.6
|
14.4-18.7
| |
|
Ell
LV
|
LV
|
Intra-observer
|
15.9
|
13.2-18.6
|
0.57
|
| | | |
15.2
|
12.4-18.1
| |
| | |
Inter-observer
|
15.9
|
13.2-18.6
|
0.82
|
| | | |
16.2
|
13.2-19.1
| |
|
Ell
RV
|
RV
|
Intra-observer
|
19.6
|
16-23.3
|
0.13
|
| | | |
16.8
|
13.4-20.1
| |
| | |
Inter-observer
|
19.6
|
16-23.3
|
0.32
|
| | | |
21.4
|
17.8-25
| |
- The table shows intra- and inter-observer variability of different strain parameters. 95% Confidence Intervalls of the difference and p-values are given to accurately determine individual variabilities [12]. Ecc
SAX
= left ventricular short-axis circumferential strain, Err
SAX
= left ventricular short-axis radial strain, Err
LAX
= left ventricular long-axis radial strain, Ell
LV
= left ventricular longitudinal strain, Ell
RV
= right ventricular longitudinal strain, LV = left ventricle, RV = right ventricle.
