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Table 3 Univariate analysis for various clinical endpoints

From: Comparing treatment outcomes of different chemotherapy sequences during intensity modulated radiotherapy for advanced N-stage nasopharyngeal carcinoma patients

Characteristic N OS(5-year) p DMFS(5-year) p RFS(5-year) p value PFS(5-year) p
Age(years)    0.448   0.876   0.167   0.743
≤41 100 72.3%   66.8%   85.3%   59.0%  
>41 98 66.2%   64.4%   93.0%   60.4%  
Gender    0.451   0.691   0.312   0.665
Male 156 66.5%   65.1%   90.3%   60.7%  
Female 42 78.1%   66.4%   84.7%   54.9%  
T stage    0.018   0.048   0.514   0.070
T1-2 71 75.1%   72.1%   93.3%   66.2%  
T3 95 70.9%   67.2%   87.0%   61.0%  
T4 32 48.6%   43.4%   86.5%   39.4%  
N stage    0.145   0.125   0.785   0.401
N2 172 71.0%   67.9%   88.9%   61.1%  
N3 26 55.7%   50.1%   91.3%   50.1%  
Histology    0.735   0.944   0.821   0.844
WHO I-II 22 71.3%   67.9%   88.9%   63.3%  
WHO III 176 68.6%   65.2%   89.1%   59.1%  
Treatment method    <0.001   0.018   0.004   <0.001
IMRT alone 33 47.7%   49.2%   74.5%   37.5%  
Chemoradoitherapy 165 73.1%   68.5%   91.3%   63.8%