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Table 5 Total tumour burden repeatability for different tracer uptake intervals, reconstruction settings, and lesion delineation methods

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

Method 60 min of uptake 90 min of uptake
TRT (RC) TRT% (RC%) ICC TRT (RC) TRT% (RC%) ICC
EARL
 SUV25 322 (1560) 5.8 (56) 0.95 59 (319) 4.0 (18) 1.00
 SUV40 236 (1149) 3.7 (54) 0.97 38 (252) 8.4 (34) 1.00
 41MAX 122 (611) 8.9 (47) 0.93 59 (169) 3.1 (11) 1.00
 A50P 126 (667) 7.6 (56) 0.90 92 (287) 9.7 (36) 0.99
 MV2 257 (1133) 9.4 (54) 0.97 44 (257) 4.1 (21) 1.00
 MV3 96 (633) 3.7 (48) 0.93 91 (282) 8.4 (35) 0.99
 RD 41 (505) − 4.6 (43) 0.99  
PSF
 SUV25 309 (1069) 9.1 (45) 0.98 462 (2490) 10.0 (41) 0.93
 SUV40 133 (780) 1.2 (39) 0.99 41 (260) 6.3 (26) 1.00
 41MAX 65 (326) 3.1 (38) 0.98 83 (272) 5.9 (22) 0.99
 A50P 60 (355) − 1.2 (32) 0.97 64 (182) 8.6 (28) 1.00
 MV2 138 (778) 1.4 (42) 0.99 70 (333) 5.7 (24) 1.00
 MV3 62 (322) 0.8 (28) 0.98 44 (115) 4.5 (17) 1.00
  1. Average and repeatability coefficient of total tumour burden (TTB) repeatability for different tracer uptake intervals, reconstruction settings, and lesion delineation methods including the corresponding ICC. TRT in mL and TRT% in percentage