TABLE 1

Linear Regression Fitting and Correlation Between BPND Obtained Using Multiple-Window Acquisition and BPND Obtained Using Full Acquisition

Noninvasive kinetic modelAcquisition protocol (min)InterpolationInterceptSlopeR2
MRTM20–30/60–90/120–140None0.000.990.99
0–30/120–140Average time–activity curve0.011.000.97
0–30/120–140Linear−0.040.690.96
0–20/120–140Average time–activity curve0.010.980.98
0–20/120–140Linear−0.060.510.86
SRTM0–30/60–90/120–140None0.000.920.99
0–30/120–140Average time–activity curve0.050.920.93
0–30/120–140Linear−0.020.580.85
0–20/120–140Average time–activity curve0.070.870.87
0–20/120–140Linear−0.030.370.56
  • For full acquisition, BPND = slope + intercept ⋅ BPND,0–140 min.