Fig. 5

Bland-Altman ratios between the Patlak Ki,max value and Ki,max values derived from other approaches. Results for ParaPET (upper left), Hunter’s method (upper right), Barbolosi-Im method (bottom left) and Barbolosi-Bl method (bottom right). All these values correspond to the same voxel position. The mean ratio and the 1.96 SD limits are represented by the solid and the dashed lines respectively