Table 3 Calculation of the AUC and the 95% confidence interval for all significant variables when using the OSEM + PSF algorithm.

From: Image quality evaluation in a modern PET system: impact of new reconstructions methods and a radiomics approach

 

OSEM + PSF

BSRM

Train

Test

Train

Test

Weight (kg)

0.67 (0.50–0.84)

0.64 (0.51–0.78)

0.57 (0.38–0.76)

0.58 (0.44–0.71)

Height (cm)*

0.56 (0.36–0.75)

0.59 (0.44–0.73)

0.51 (0.32–0.70)

0.62 (0.48–0.75)

BMI (kg/m2)

0.67 (0.50–0.84)

0.64 (0.49–0.79)

0.56 (0.37–0.75)

0.55 (0.42–0.69)

LBM (kg)*

0.63 (0.44–0.82)

0.65 (0.50–0.80)

0.51 (0.33–0.72)

0.60 (0.47–0.73)

NECR

0.74 (0.57–0.91)

0.65 (0.51–0.78)

0.62 (0.44–0.79)

0.56 (0.42–0.69)

PNECR

0.76 (0.58–0.94)

0.66 (0.53–0.80)

0.60 (0.42–0.78)

0.59 (0.47–0.73)

RDW*

0.75 (0.60–0.91)

0.73 (0.61–0.86)

0.75 (0.59–0.91)

0.64 (0.59–0.78)

CNR*

0.54 (0.36–0.73)

0.63 (0.48–0.77)

0.58 (0.39–0.76)

0.53 (0.39–0.66)

  1. Variables that were also significant for the BSRM reconstructions are marked with an asterisk.
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