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Table 3 Repeatability of experienced observers and reference delineation

From: Repeatability of [18F]FDG PET/CT total metabolic active tumour volume and total tumour burden in NSCLC patients

Observer TMATV TTB
TRT (RC) TRT% (RC%) ICC TRT (RC) TRT% (RC%) ICC
AB 4.2 (98) 1.6 (53) 0.95 83 (426) 3.2 (37) 0.99
RB 4.6 (73) 2.5 (76) 0.97 94 (631) − 0.5 (54) 0.98
WN − 43.7 (161) − 28.6 (86) 0.79 − 121 (648) − 19.1 (66) 0.98
RD − 5.7 (82) − 9.8 (61) 0.96 41 (505) − 4.6 (43) 0.99
  1. Average repeatability and repeatability coefficient and corresponding ICC of total metabolic active tumour volume (TMATV) and total tumour burden (TTB) for the three experienced observers and the reference delineation. TRT in mL and TRT% in percentage