NPV per Central Review for 2-Year PFS
PET/CT result and outcome | IMRT + cisplatin | IMRT | Total |
---|---|---|---|
PET overall interpretation | |||
Positive for residual tumor | 0 (0.0%) | 2 (3.4%) | 2 (1.7%) |
Negative for residual tumor | 57 (100.0%) | 56 (96.6%) | 113 (98.3%) |
2-y PFS status in PET-negative | |||
Failure | 4 (7.0%) | 5 (8.9%) | 9 (8.0%) |
Nonfailure | 53 (93.0%) | 51 (91.1%) | 104 (92.0%) |
NPV of 2-y PFS | 93.0% | 91.1% | 92.0% |
95% exact CI | 83.0%–98.1% | 80.4%–97.0% | 85.4%–96.3% |
One-sided 90% exact LCB | 86.5% | 84.1% | 87.7% |
H0: NPV ≤ 90% vs. HA: NPV > 90% | |||
P value (exact) | 0.2964 |