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Table 1 Patients' characteristics

From: The influence of smoking and other risk factors on the outcome after radiochemotherapy for anal cancer

  Smoker Non Smoker  
n 34 34  
mean age (range) 55 (34 – 77) 62 (38–86) p = 0.21
male:female 18:16 7:27 p = 0.006
Localisation    ns
   Anal canal 19 27  
   Anal verge 10 2  
   Overlapping 5 5  
T-Stage    ns
   T1 3 7  
   T2 19 19  
   T3 10 3  
   T4 2 5  
N-Stage    ns
   N 0 25 22  
   N + 9 12  
Therapy Protocol    ns
   Cummings 3 3  
   EORTC 1 3  
   RTOG 30 28