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Table 1 Patient clinical characteristics

From: Advantages of using reduced-volume intensity modulated radiation therapy for the treatment of nasopharyngeal carcinoma: a retrospective paired study

Characteristic CV-IMRT RV-IMRT P value
N = 90 N = 90
Gender    0.864
 Male 66 68  
 Female 24 22  
Age    1
  < 45 40 40  
  ≥ 45 50 50  
T stage    0.976
 T1 20 23  
 T2 32 27  
 T3 17 18  
 T4 21 22  
N stage    0.889
 N0 13 12  
 N1 25 26  
 N2 45 44  
 N3 7 8  
Clinical stage    0.917
 I 6 6  
 II 16 16  
 III 42 41  
 IV 26 27  
Concurrent chemotherapy    0.794
 No 9 7  
 Yes 81 83  
Neoadjuvant/adjuvant chemotherapy    1
 No 9 8  
 Yes 81 82  
  1. CV-IMRT conventional-volume intensity-modulated radiation therapy, RV-IMRT reduced-volume intensity-modulated radiation therapy