Table 2. Comparison of the survival rates for IC/CCRT versus IC/RT.
| Variable | IC/CCRT (n = 321) |
IC/RT (n =321) |
HR (95% CI) | P-value |
|---|---|---|---|---|
| Overall survival (%) | 0.85 (0.64-1.14) | 0.280 | ||
| At 3-years | 83 | 82 | ||
| At 5-years | 76 | 75 | ||
| Disease-free survival (%) | 0.92 (0.70-1.21) | 0.557 | ||
| At 3-years | 73 | 74 | ||
| At 5-years | 70 | 70 | ||
| Distant metastasis-free survival (%) | 1.41 (0.85-2.35) | 0.188 | ||
| At 3-years | 88 | 88 | ||
| At 5-years | 86 | 90 | ||
| Locoregional relapse-free survival (%) | 0.91 (0.61-1.36) | 0.650 | ||
| At 3-years | 90 | 93 | ||
| At 5-years | 88 | 91 |
HR, hazard ratio; CI, confidence interval; IC, induction chemotherapy; CCRT, concurrent chemoradiotherapy; RT: radiotherapy.