Table 2 Median [interquartile range] of PET parameters in the overall population as well as comparatively between the 2 groups of patients with or without glioma recurrence or progression

 TBR_max

2.22 [1.36; 3.12]

1.26 [1.12; 1.37]

2.71 [2.20; 3.69]

< 0.001

 TBR_mean

1.57 [1.02; 2.13]

0.84 [0.75; 1.04]

1.95 [1.57; 2.70]

< 0.001

 TSR_max

1.31 [0.82; 1.90]

0.77 [0.65; 0.82]

1.64 [1.31; 2.28]

< 0.001

 TSR_mean

0.92 [0.65; 1.43]

0.51 [0.46; 0.65]

1.19 [0.92; 1.69]

< 0.001

 MTV

1.49 [0.00; 8.22]

0.00 [0.00; 0.00]

5.35 [1.49; 15.75]

< 0.001

 TTP

7.70 [3.35; 18.65]

14.53 [1.55; 30.00]

7.67 [4.13; 14.62]

1

 Slope

− 0.14 [− 0.82; 0.13]

0.07 [− 0.07; 0.31]

− 0.59 [− 0.94; − 0.08]

< 0.001