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Table 4 Multivariate analysis of all patients

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

Factors

Number of patients

OS

HR (95% CI)

p-value

Radiation modality

   

 3DCRT

80

  

 IMRT

27

0.64 (0.38–1.06)

0.082

Pretreatment CA19–9 (U/ml)

   

 < 300

64

  

 ≥300

43

1.62 (1.06–2.47)

0.026

Tumor size

   

 < 3 cm

64

  

 ≥3 cm

43

1.37 (0.89–2.10)

0.15

  1. Abbreviations; OS overall survival, HR hazard ratio