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