Skip to main content

Advertisement

Table 2 Bi-exponential fit slope constants for probe-derived, image-derived and manually sampled input functions

From: Use of a beta microprobe system to measure arterial input function in PET via an arteriovenous shunt in rats

  Subject Mean SD
  1 2 3 4 5 6 7 8   
Slope 1           
Probe IF 4.609 4.181 3.646 3.470 4.989 3.552 3.181 3.658 3.911 0.582
Manual IF 7.627 4.847 3.646 7.746 5.582 6.038 3.215 4.591 5.411 1.570
Image-derived IF 11.626 7.983 8.705 10.502 9.327 6.343 5.888 8.149 8.565 1.815
Slope 2           
Probe IF 0.048 0.038 0.046 0.028 0.047 0.025 0.039 0.038 0.039 0.008
Manual IF 0.042 0.018 0.050 0.043 0.039 0.031 0.008 0.026 0.032 0.013
Image-derived IF 0.095 0.068 0.051 0.056 0.082 0.040 0.059 0.072 0.065 0.017
  1. IF, input function; SD, standard deviation.