Table 1. %RMSE between estimated and actual decay constants (7 and 21 daily measurements)

Organ at risk15 sensors (7 measurements)15 sensors (21 measurements)
Spleen   1.5   1.5
Right Kidney3.73.3
Left Kidney2.52.3
Liver2.01.9
Background0.80.5
1.5 cm Tumor3.50.3
2.5 cm Tumor7.32.5