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Table 4 Univariate analysis for progression-free survival (PFS), distant metastasis-free (DMFS) survival and cause specific survival (CSS) rates

From: A single centre experience with sequential and concomitant chemoradiotherapy in locally advanced stage IV tonsillar cancer

   PFS DMFS CSS
  N 3 years % P 3 years % p 3 years % P
T stage        
T1+T2 16 100   100   100  
    0.004   0.07   0.004
T3+T4 25 59   81   58  
Nodal stage        
N0-1 2 100   100   100  
    0.45   0.65   0.46
N2-3 39 74   89   73  
Treatment type        
Induc CT-CTRT 30 72   89   72  
    0.6     0.59
Induct CT-RT 11 82   91 0.93 82