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. Author manuscript; available in PMC: 2026 Apr 19.
Published in final edited form as: Head Neck. 2025 Apr 19;47(9):2486–2498. doi: 10.1002/hed.28167

Table 4:

2-Year Outcomes

Outcome Surgery + CRT (n = 12,493) CRT (n = 19,874) Comparison of Proportions (%)
OS, Advanced-Stage 82.0% (95% CI 75.5%−87.5%) 53.9% (95% CI 29.7%−77.2%) 28.1 (95% CI 27.1%−29.1%, p < 0.0001)
DSS, Advanced-Stage 83.5% (95% CI 66.7%−95.2%) 45.4% (95% CI 19.2%−73.0%) 38.1 (95% CI 37.1%−39.1%, p < 0.0001)

OS = Overall Survival, DSS = Disease-Specific Survival