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 |