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Table 2 Univariate analyses for survival

From: Prognostic value of gross tumor volume delineated by FDG-PET-CT based radiotherapy treatment planning in patients with locally advanced pancreatic cancer treated with chemoradiotherapy

Characteristics N Median OS P Median LRPFS P Median PFS P
   Months (95%CI)   Months (95%CI)   Months (95%CI)  
   GTV        
   GTV L 13 16.3 (11.6-21.0) 0.005 11.0 (2.6-19.4) 0.013 9.0 (0.8-17.2) 0.008
   GTV G 17 9.5 (8.0-11.0)   6.0 (4.1-7.9)   4.8 (3.1-6.5)  
   GTV N   -      
   < Median 15 13.2 (8.2-18.2) 0.085 9.8 (7.3-12.3) 0.18 8.4 (4.9-11.9) 0.086
   ≥ Median 15 9.5 (7.511.5)   6.0 (3.3-8.7)   4.8 (3.2-6.4)  
   Nodal status        
   N0 13 13.2 (7.8-18.6) 0.25 9.8 (7.5-12.1) 0.36 8.4 (5.2-11.6) 0.25
   N1 17 9.8 (7.8-11.8)   6.1 (4.1-8.1)   4.8 (3.1-6.5)  
   Age        
   < Median 14 10.5 (7.2-13.8) 0,99 7.6 (6.1-9.1) 0.97 5.7 (4.6-6.8) 0.92
   ≥ Median 16 9.8 (9.0-10.6)   7.8 (2.5-13.1)   5.7 (0.8-10.6)  
   Gender        
   Male 21 10.3 (9.0-11.6) 0.86 7.6 (6.3-8.9) 0.52 5.7 (4.5-6.9) 0.89
   Female 9 10.3 (8.8-11.8)   10.3 (3.0-17.6)   7.3 (2.6-12.0)  
   ECOG        
   0-1 23 10.3 (9.2-11.4) 0.61 8.0 (5.7-10.3) 0.84 5.3 (3.1-7.5) 0.88
   2 7 10.3 (7.7-12.9)   7.6 (6.3-8.9)   7.3 (3.2-11.4)  
   Location of Tumor        
   Head 23 10.3 (9.1-11.5) 0.58 7.6 (4.6-10.6) 0.52 5.7 (4.8-6.6) 0.31
   Body 7 10.5 (8.7-12.3)   8.7 (6.4-11.0)   7.3 (2.2-12.4)  
  1. Abbreviations: ECOG Eastern cooperative oncology group; GTV gross tumor volume; GTV G gross tumor volume greater than 91.1 (cm3); GTV L gross tumor volume lesser than 91.1 (cm3); GTV N nodal gross tumor volume; LRPFS local regional progression-free survival; OS overall survival; PFS progression-free survival