TABLE 6

Linearity and Recovery of SBRSPECT for Different Devices and Collimators

SBRtrue
Parameter2.013.035.037.08AverageLinearity R2
SBRmean
 Camera 149.3%46.5%47.3%47.8%47.7% ± 1.0%1.00
 Camera 243.9%39.2%39.9%41.0%41.0% ± 1.8%1.00
 Camera 346.8%51.0%46.4%47.9%48.0% ± 1.8%1.00
 Camera 467.4%54.4%66.4%58.3%61.6% ± 5.5%*0.97
SBRmax
 Camera 186.0%66.4%73.2%71.4%74.3% ± 7.2%0.98
 Camera 277.9%64.3%66.2%70.0%59.6% ± 5.2%0.99
 Camera 386.4%81.6%75.0%74.3%79.3% ± 5.0%0.99
 Camera 499.2%90.8%97.4%84.2%92.9% ± 5.9%*0.97