TABLE 3.
Four-year EFS for patients with CT and PET evaluation after two cycles
| PET and CT responders | PET nonresponder/CT responder | CT nonresponder/PET responder | PET and CT nonresponders | All | |
|---|---|---|---|---|---|
| % 4-year EFS/total number | |||||
| CHIPS 0 | 92% (182) | 93% (45) | 100% (10) | 53% (9) | 91% (246) |
|
| |||||
| CHIPS 1 | 91% (179) | 89% (73) | 88% (19) | 80% (10) | 90% (281) |
|
| |||||
| CHIPS 2 | 78% (78) | 74% (34) | 79% (19) | 63% (12) | 76% (143) |
|
| |||||
| CHIPS 3 | 68% (20) | 50% (6) | 75% (5) | 0% (3) | 59% (34) |
|
| |||||
| All | 88% (459) | 85% (158) | 86% (53) | 60% (34) | 86% (704) |
|
| |||||
| COHORTS DEFINED BY CHIPS | |||||
| Either PET and/or CT response | PET and CT Nonresponders | ||||
|
| |||||
| CHIPS 0 | 93 % (237) | CHIPS 0–1 | 91.5% (508) | 60% (34) | |
|
| |||||
| CHIPS 1 | 90 % (271) | ||||
|
| |||||
| CHIPS 2 | 77 % (131) | CHIPS 2–3 | 74.9% (162) | ||
|
| |||||
| CHIPS 3 | 65 % (31) | ||||