Summary of Percentage Change in PET and CT Parameters Between Pretreatment and Posttreatment Scans
| Parameter | Percentage decline (observed mean ± SD) | P vs. SUVbw max |
|---|---|---|
| SUVbw max | 45% ± 35% | |
| Longest CT dimension (RECIST) | 20% ± 33% | <0.001 |
| Two-dimensional CT size (WHO) | 24% ± 56% | 0.003 |
WHO = World Health Organization.