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Table 2 Intra- and inter-operator reproducibility of PET parameters at the early 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 9.1 ± 4.9 9.1 ± 4.9 9.1 ± 4.9 9.1 ± 4.9 1 1 1 1 1 1
MTV2.0 55.0 ± 100.6 54.9 ± 102.5 52.8 ± 96.6 52.8 ± 96.4 >0.999 >0.999 0.997 0.997 0.997 0.997
MTV2.5 39.4 ± 72.1 39.3 ± 72.5 39.1 ± 70.7 38.9 ± 70.4 >0.999 >0.999 >0.999 >0.999 >0.999 0.999
MTV3.0 29.7 ± 51.7 29.7 ± 51.6 29.8 ± 51.3 29.7 ± 51.1 >0.999 >0.999 >0.999 >0.999 >0.999 >0.999
MTV3.5 23.4 ± 38.2 23.4 ± 38.1 23.5 ± 38.0 23.4 ± 37.8 >0.999 >0.999 >0.999 >0.999 >0.999 >0.999
MTV35% 25.0 ± 31.9 24.3 ± 31.7 23.7 ± 31.5 23.7 ± 31.5 0.998 >0.999 0.997 0.992 0.997 0.997
MTV40% 19.2 ± 22.9 18.9 ± 22.8 18.6 ± 22.7 18.6 ± 22.7 0.998 >0.999 0.998 0.996 0.998 0.998
MTV45% 15.0 ± 17.1 14.9 ± 17.1 14.8 ± 16.9 14.8 ± 16.9 >0.999 1 >0.999 0.999 >0.999 >0.999
MTVARG 43.0 ± 62.1 43.0 ± 62.1 43.0 ± 62.1 43.0 ± 62.1 1 1 1 1 1 1
TLG2.0 225.2 ± 365.2 224.9 ± 369.0 220.4 ± 354.5 220.0 ± 353.5 >0.999 >0.999 0.999 0.999 0.999 0.999
TLG2.5 190.4 ± 304.6 190.1 ± 305.5 189.8 ± 300.1 189.2 ± 298.9 >0.999 >0.999 >0.999 >0.999 >0.999 >0.999
TLG3.0 164.0 ± 253.7 163.7 ± 253.4 164.4 ± 251.8 163.8 ± 250.7 >0.999 >0.999 >0.999 >0.999 >0.999 >0.999
TLG3.5 143.6 ± 215.0. 143.4 ± 214.7 144.1 ± 213.7 143.6 ± 212.9 >0.999 >0.999 >0.999 >0.999 >0.999 >0.999
TLG35% 132.7 ± 179.5 131.8 ± 179.7 131.4 ± 179.2 131.3 ± 179.1 >0.999 >0.999 >0.999 >0.999 >0.999 >0.999
TLG40% 112.8 ± 148.3 112.3 ± 148.3 112.2 ± 147.7 112.1 ± 147.7 >0.999 >0.999 >0.999 >0.999 >0.999 >0.999
TLG45% 96.2 ± 124.7 96.0 ± 124.7 96.0 ± 123.9 96.0 ± 123.9 >0.999 1 >0.999 >0.999 >0.999 >0.999
TLGARG 196.4 ± 290.0 196.4 ± 290.0 196.4 ± 290.0 196.4 ± 290.0 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