TABLE 1

Data from Scatter and Bland-Altman Analysis of Parametric Images

Parameter2D FBP and 2D OSEM2D FBP and 3D FBP2D OSEM and 3D OSEM3D FBP and 3D OSEM2D FBP and 3D OSEM2D OSEM and 3D FBP
Slope (Ki > threshold)1.01 (0.02)1.00 (0.06)1.01 (0.05)1.02 (0.01)1.02 (0.06)0.98 (0.05)
Intercept (Ki > threshold)−0.001−0.0000.000−0.001−0.0020.002
(0.001)(0.002)(0.001)(0.001)(0.002)(0.001)
Correlation (r2; all Ki)0.99 (0.00)0.97 (0.01)0.98 (0.01)0.99 (0.00)0.97 (0.01)0.98 (0.01)
Correlation (r2; Ki > threshold)1.0000.9910.9920.9990.9900.992
(0.001)(0.004)(0.004)(0.001)(0.004)(0.004)
Difference (Ki > threshold)−0.0010−0.00030.0007−0.0006−0.00040.0013
(0.0005)(0.0011)(0.0011)(0.0007)(0.0012)(0.0013)
  • Data are mean and, in parentheses, SD. Threshold was chosen individually for each patient to include mainly voxels in myocardium.