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Table 3 Intra- and inter-operator reproducibility of PET parameters at the delayed phase

From: Reproducibility and uptake time dependency of volume-based parameters on FDG-PET for lung cancer

  Op1Ob1 Op1Ob2 Op2Ob1 Op2Ob2 ICC intra-operator reproducibility ICC inter-operator reproducibility
n = 50 Op1Ob1 vs. Op1Ob2 Op2Op1 vs. Op2Op2 Op1Ob1 vs. Op2Ob1 Op1Ob1 vs. Op2Ob2 Op1Ob2 vs. Op2Ob1 Op1Ob2 vs. Op2Ob2
SUVmax 11.1 ± 6.0 11.1 ± 6.0 11.1 ± 6.0 11.1 ± 6.0 1 1 1 1 1 1
MTV2.0 56.2 ± 107.2 56.2 ± 107.9 54.1 ± 101.0 54.7 ± 101.8 >0.999 >0.999 0.996 0.995 0.993 0.994
MTV2.5 41.9 ± 79.6 41.8 ± 79.3 41.6 ± 77.6 41.9 ± 78.0 >0.999 >0.999 0.999 0.998 0.997 0.997
MTV3.0 33.1 ± 60.9 33.0 ± 60.3 33.5 ± 60.6 33.3 ± 60.3 >0.999 >0.999 >0.999 0.998 0.998 0.998
MTV3.5 27.3 ± 48.2 27.2 ± 47.7 27.5 ± 47.8 27.7 ± 48.1 >0.999 >0.999 >0.999 0.998 0.998 0.998
MTV35% 21.0 ± 29.0 20.9 ± 28.7 20.5 ± 28.7 20.6 ± 28.8 >0.999 >0.999 0.998 0.997 0.996 0.997
MTV40% 16.6 ± 21.2 16.5 ± 21.0 16.4 ± 21.0 16.5 ± 21.1 >0.999 >0.999 0.999 0.999 0.998 0.999
MTV45% 13.2 ± 15.7 13.1 ± 15.5 13.1 ± 15.5 13.1 ± 15.6 >0.999 >0.999 >0.999 >0.999 >0.999 >0.999
MTVARG 50.4 ± 76.2 50.4 ± 76.2 50.4 ± 76.2 50.4 ± 76.2 1 1 1 1 1 1
TLG2.0 259.1 ± 431.3 258.6 ± 430.8 254.4 ± 414.8 256.8 ± 418.8 >0.999 >0.999 0.998 0.997 0.996 0.997
TLG2.5 227.2 ± 372.8 226.4 ± 370.5 226.4 ± 365.4 228.2 ± 368.4 >0.999 >0.999 >0.999 0.998 0.998 0.998
TLG3.0 203.4 ± 325.8 202.6 ± 322.9 205.4 ± 324.8 203.8 ± 322.0 >0.999 >0.999 >0.999 0.999 0.998 0.998
TLG3.5 184.5 ± 288.8 183.8 ± 286.3 184.9 ± 285.5 186.5 ± 288.3 >0.999 >0.999 >0.999 0.999 0.998 0.999
TLG35% 145.2 ± 206.5 144.5 ± 204.8 144.3 ± 204.7 145.4 ± 206.3 >0.999 >0.999 >0.999 >0.999 0.999 0.999
TLG40% 125.8 ± 173.3 125.2 ± 171.9 125.0 ± 171.2 126.0 ± 172.6 >0.999 >0.999 >0.999 >0.999 0.999 >0.999
TLG45% 108.1 ± 145.3 107.6 ± 144.1 107.3 ± 143.2 108.1 ± 144.3 >0.999 >0.999 >0.999 >0.999 >0.999 >0.999
TLGARG 249.4 ± 383.5 249.4 ± 383.5 249.4 ± 383.5 249.4 ± 383.5 1 1 1 1 1 1
  1. ICC intra-class correlation, Op1Ob1 Operator-1's first observation, Op1Ob2 Operator-1's second observation, Op2Ob1 Operator-2's first observation, Op2Ob2 Operator-2's second observation