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Table 1 Patient characteristics (n = 40)

From: Which nasopharyngeal cancer patients need adaptive radiotherapy?

Variables Number Median (mean ± SD)
Female/male 11 / 29  
Age (y/o)   48.5 (49.1 ± 11.8)
T Stage*
 T1/T2 8/5  
 T3/4 19 / 8  
N Stage*   
 N0/1 3 / 9  
 N2/N3a/N3b 23 / 1 / 4  
Stage*
 I/II/III 0 / 6 / 23  
 IVa/IVb 6 / 5  
CCRT+neo-adj / CCRT 31 / 9  
Fractions of 2nd CT scan   22.0 (22.2 ± 1.8)
ART boost plans (Gy)   16.0 (15.6 ± 1.6)
Total PTV-1 dose (Gy)   72.0 (71.6 ± 1.2)
  1. Abbreviations: CCRT concurrent chemoradiotherapy, neo-adj neoadjuvant chemotherapy, ART adaptive radiotherapy, PTV-1,planning target volume of CTV-1. *According to the AJCC Cancer Staging Manual, 7th Edition