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Table 2 Univariate prognostic analysis of 363 NPC patients for T stage and N stage

From: Tumor volume is an independent prognostic indicator of local control in nasopharyngeal carcinoma patients treated with intensity-modulated radiotherapy

Prognostic factors LC RC DMFS OS
  % p % p % p % p
T stage   0.355     0.014   0.002
 T1 93.7     84.8   90.1  
 T2 90.6    82.5 88.4
 T3 85.6    68.6 78.3
 T4 84.3    65.5 74.5
N stage     0.105   0.003   0.005
 N0    92.5   83.7   90.0  
 N1    90.8 80.1 88.3
 N2    86.6 70.9 80.1
 N3    83.4   66.5   73.4