Table 3.
Repeatability of experienced observers and reference delineation
| 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 |
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