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Table 1 SUV recovery values for different sphere-to-background ratiosa

From: Evaluation of a Bayesian penalized likelihood reconstruction algorithm for low-count clinical 18F-FDG PET/CT

Sphere size (mm)10-to-1 ratio4-to-1 ratio2-to-1 ratio
OSEMOSEM + PSFBPL 450BPL 550BPL 700OSEMOSEM + PSFBPL 450BPL 550BPL 700OSEMOSEM + PSFBPL 450BPL 550BPL 700
NEMAb
370.8420.8700.9410.9340.9260.9140.9430.9790.9710.9610.9710.9861.0090.9980.989
280.8470.8880.9560.9510.9450.8620.9020.9590.9550.9470.9851.0131.0421.0311.015
220.7750.8410.9440.9340.9250.8560.9301.0110.9980.9750.9310.9681.0090.9850.952
170.7070.8150.9340.9270.9130.7720.8521.0100.9770.9340.8450.8660.9100.8710.819
130.5340.6400.8890.8540.8070.5690.5580.7080.6600.6010.6500.6420.6460.6310.617
100.3700.4190.8070.7180.6240.3860.3900.4020.3870.3720.6470.6480.6470.6270.612
Microb
100.4320.5230.8760.8360.8170.4700.5360.7690.7410.7030.6810.7060.7280.7170.699
80.3200.3960.8370.8080.7640.3420.3800.5600.5220.4780.5880.5720.5550.5640.560
60.2100.2340.4140.3890.3560.2930.2980.3290.3190.3100.5890.5740.5510.5540.555
50.1670.1820.3310.3040.2680.2660.2600.2720.2680.2650.5630.5500.5120.5190.529
40.1320.1330.1740.1570.1530.2720.2660.2660.2680.2650.5440.5340.4870.4920.512
  1. aIf SUV recovery values are (almost) equal to background and thus invisible (in boldface)
  2. bIndicated are the type of phantom used, i.e., the NEMA or micro hollow sphere phantom