Table 1 Intra- and inter-reader reproducibility in 32 rats
Intra-reader reproducibility of left ventricular measurements in 32 rats | |||||||
|---|---|---|---|---|---|---|---|
Read 1 [mean ± SD] | Read 2 [mean ± SD] | % Bias | [95% - CI] | Lins’s, Pc | [95% - CI] | CV | |
LVEDV [μl] | 453.0 ± 96.6 | 464.0 ± 113.8 | -1.7 | [-17.3; 14.0] | 0.92 | [0.84; 0.96] | 0.09 |
LVESV [μl] | 244.4 ± 105.8 | 250.5 ± 109.3 | -2.2 | [-25.7; 21.3] | 0.97 | [0.94; 0.99] | 0.1 |
LVEF [%] | 47.9 ± 14.9 | 47.6 ± 15.2 | 1.0 | [-17.6; 19.5] | 0.96 | [0.91; 0.98] | 0.09 |
LVEDD [mm] | 7.6 ± 0.9 | 7.8 ± 1.0 | -3.3 | [-20.2; 13.6] | 0.72 | [0.52; 0.85] | 0.09 |
LV mass [mg] | 306.4 ± 54.8 | 315.0 ± 57.2 | -2.7 | [-23.7; 18.2] | 0.82 | [0.67; 0.91] | 0.1 |
LV scar [μl LV mass] | 41.8 ± 27.6 | 43.2 ± 28.2 | -1.2 | [-36.9; 34.6] | 0.97 | [0.94; 0.99] | 0.15 |
LV scar [% LV mass] | 14.4 ± 9.4 | 14.3 ± 9.5 | 2.1 | [29.1; 33.4] | 0.97 | [0.94; 0.99] | 0.15 |
Inter-reader reproducibility of left ventricular measurements in 32 rats | |||||||
Reader 1 [mean ± SD] | Reader 2 [mean ± SD] | % Bias | [95% - CI] | Lins’s, Pc | [95% - CI] | CV | |
LVEDV [μl] | 453.0 ± 96.6 | 440.4 ± 105.1 | 3.3 | [-23.5; 30.1] | 0.82 | [0.66; 0.91] | 0.13 |
LVESV [μl] | 244.4 ± 105.8 | 234.1 ± 108.6 | 6.2 | [-24.0; 36.4] | 0.93 | [0.89; 0.97] | 0.14 |
LVEF [%] | 47.9 ± 14.9 | 49.5 ± 13.6 | -4.8 | [-31.6; 21.9] | 0.93 | [0.87; 0.96] | 011. |
LVEDD [mm] | 7.6 ± 0.9 | 7.8 ± 1.0 | -3.5 | [-17.5; 10.5] | 0.81 | [0.65; 0.90] | 0.07 |
LV mass [mg] | 306.4 ± 54.8 | 313.9 ± 64.0 | -1.9 | [-50.1; 45.7] | 0.83 | [0.68; 0.91] | 0.11 |
LV scar [μl LV mass] | 41.8 ± 27.6 | 43.3 ± 28.7 | -1.8 | [-35.7; 32.1] | 0.94 | [0.89; 0.97] | 0.22 |
LV scar [% LV mass] | 14.4 ± 9.4 | 14.1 ± 9.5 | 3.8 | [-31.7; 39.2] | 0.93 | [0.86; 0.97] | 0.25 |