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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

Variable

IMRT group (n = 62)

IMRT/chemotherapy group (n = 62)

HR (95% CI)

P

OS (%)

  

1.235 (0.377–4.048)

0.727

 At 3 years

93.5%

91.9%

  

 At 5 years

91.9%

90.3%

  

DFS (%)

  

0.890 (0.323–2.453)

0.821

 At 3 years

88.7%

90.3%

  

 At 5 years

87.1%

88.7%

  

LRRFS (%)

  

1.515 (0.253–9.066)

0.646

 At 3 years

96.8%

95.2%

  

 At 5 years

96.8%

95.2%

  

DMFS (%)

  

1.037 (0.300–3.581)

0.955

 At 3 years

93.5%

95.2%

  

 At 5 years

91.9%

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