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Table 2 Comparison of 18F-FET parameters in centre A and centre B based on the same data set

From: O-(2-[18F]fluoroethyl)-l-tyrosine PET in gliomas: influence of data processing in different centres

  Centre A Centre B p value
Comparison of mean values of FET PET parameters
 TBRmax 2.84 ± 0.99 3.34 ± 1.13 < 0.001
 TBRmean 2.20 ± 0.41 2.16 ± 0.41 < 0.04
 Tvol (ml) 1.14 ± 1.28 1.51 ± 1.44 < 0.001
 TTP (min) 22.4 ± 8.3 30.8 ± 6.3 < 0.001
 Slope (SUV/h) −0.06 ± 0.92 0.73 ± 0.69 < 0.001
Comparison of accuracy in differentiating HG and LG gliomas (AUC in ROC analysis)
 TBRmax 0.77 0.78 n.s.
 TBRmean 0.78 0.76 n.s.
 Tvol 0.78 0.76 n.s.
 TTP 0.73 0.78 n.s.
 Slope 0.76 0.72 n.s.
  1. n.s. = not significant