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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