Table 2.
Inter-study reproducibility assessed in 6 randomly chosen rats
|
Inter-study reproducibility of left ventricular measurements in 6 rats | |||||||
|---|---|---|---|---|---|---|---|
| Study 1 [mean ± SD] | Study 2 [mean ± SD] | % Bias | [95% - CI] | Lin’s Pc | [95% - CI] | CV | |
|
LVEDV [μ] |
524.9 ± 29.4 |
525.1 ± 39.7 |
0.1 |
[-7.6; 7.8] |
0.84 |
[0.39; 0.97] |
0.04 |
|
LVESV[μ] |
296.5 ± 74.3 |
302.7 ± 79.0 |
-1.8 |
[-14.0; 10.4] |
0.96 |
[0.79; 0.99] |
0.06 |
|
LVEF [%] |
43.6 ± 13.8 |
42.8 ± 12.6 |
1.0 |
[-20.8; 22.9] |
0.95 |
[0.71; 0.99] |
0.1 |
|
LVEDD [mm] |
8.4 ± 0.5 |
8.5 ± 0.5 |
-1.0 |
[-7.2; 5.2] |
0.85 |
[0.29; 0.98] |
0.03 |
|
LV mass [mg] |
361.7 ± 127.5 |
379.8 ± 128.6 |
-4.6 |
[-38.2; 29.0] |
0.89 |
[0.42; 0.98] |
0.16 |
|
LV scar [μl LV mass] |
66.6 ± 44.1 |
69.6 ± 39.6 |
-6.2 |
[-43.3; 31.0] |
0.94 |
[0.64; 0.99] |
0.22 |
| LV scar [% LV mass] | 19.2 ± 8.1 | 19.5 ± 8.7 | -1.6 | [-24.2; 21.0] | 0.95 | [0.72; 0.99] | 0.13 |