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Table 2 Five-year survival outcomes of patients treated with IMRT alone and IMRT plus chemotherapy

From: Efficacy and safety of intensity-modulated radiotherapy alone versus intensity-modulated radiotherapy plus chemotherapy for treatment of intermediate-risk nasopharyngeal carcinoma

VariableIMRT group (n = 62)IMRT/chemotherapy group (n = 62)HR (95% CI)P
OS (%)  1.235 (0.377–4.048)0.727
 At 3 years93.5%91.9%  
 At 5 years91.9%90.3%  
DFS (%)  0.890 (0.323–2.453)0.821
 At 3 years88.7%90.3%  
 At 5 years87.1%88.7%  
LRRFS (%)  1.515 (0.253–9.066)0.646
 At 3 years96.8%95.2%  
 At 5 years96.8%95.2%  
DMFS (%)  1.037 (0.300–3.581)0.955
 At 3 years93.5%95.2%  
 At 5 years91.9%91.5%  
  1. IMRT Intensity-modulated radiotherapy, HR Hazard ratio, CI Confidence interval, OS Overall survival, DFS Disease-free survival, LRRFS Locoregional relapse-free survival, DMFS Distant Metastasis-free survival