Propagation of Blood Function Errors to the Estimates of Kinetic Parameters with Dynamic PET

Table 1

The percentage error in estimated 𝑘₁, 𝑘₂, 𝑘₃, and 𝑘₄ of liver affected by a range of erroneous blood functions in three cases.

Error rate of 𝐶𝑝	Percentage error in parameters
Case I	𝑘1	𝑘2	𝑘3	𝑘4
10%	10%	∼0	∼0	∼0
20%	20%	∼0	∼0	∼0
Case II	𝑘1	𝑘2	𝑘3	𝑘4
10%	10%	∼0	12.5%	4%
20%	20%	∼0	25%	8%
Case III	𝑘1	𝑘2	𝑘3	𝑘4
10%	∼0	∼0	10%	5%
20%	∼0	∼0	20%	10%