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Survival rate of NPC patients with N3 disease
| Three years | All Patients | Chemoradiotherapy-non-MC Patients (n = 109) | Chemoradiotherapy-MC Patients (n = 21) | χ2 | p value |
|---|---|---|---|---|---|
| OS | 79.2% | 76.3% | 95.2% | 2.999 | 0.046 |
| DMFS | 73.6% | 70.3% | 90.5% | 4.111 | 0.043 |
| LFFS | 88.2% | 84.9% | 100% | 2.851 | 0.091 |
Abbreviations: MC Maintenance chemotherapy, OS Overall survival, DMFS Distant metastasis-survival, LFFS Locoregional failure-free survival
