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Table 6 Multivariate analysis of IMRT patients

From: Clinical evaluation of intensity-modulated radiotherapy for locally advanced pancreatic cancer

Factors

Number of patients

LRPFS

OS

HR (95% CI)

p-value

HR (95% CI)

p-value

Age (years)

     

 < 66

12

    

 ≥66

15

0.23 (0.064–0.86)

0.029

0.86 (0.28–2.67)

0.79

Radiation dose

     

 < 45 Gy

9

    

 ≥45 Gy

18

0.043 (0.0049–0.38)

4.00E-03

0.27 (0.077–0.96)

0.044

Pretreatment CA19–9 (U/ml)

     

 < 300

17

    

 ≥300

10

3.39 (0.85–13.54)

0.084

1.87 (0.63–5.55)

0.26

Tumor location

     

 Body/Tail

11

    

 Head/Neck

16

0.73(0.21–2.58)

0.62

0.61 (0.20–1.9)

0.39

  1. Abbreviations; LRPFS locoregional progression free survival, OS overall survival, HR hazard ratio