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Table 3 Univariate and multivariate cox regression analyses of different prognostic variables for overall survival in patients with stage III and IV of pancreatic cancer

From: Vitamin D deficiency and prognostics among patients with pancreatic adenocarcinoma

 

Univariate analysis

Multivariate analysis

 

No. of patients

P Value

Regression coefficients (Standard error)

Hazard ratio (95% confidence interval)

P value

Age:

     

   ≥50 years

103

0.7990

0.109 (0.428)

1.101 (0.450-2.693)

0.8334

   <50 years

11

    

Race:

     

   Non-white

17

0.7842

0.095 (0.345)

1.020 (0.504-2.064)

0.9556

   White

97

    

Gender:

    

0.2731

   Female

52

0.1755

−0.334 (0.246)

0.751 (0.450-1.253)

 

   Male

62

    

Vitamin D level:

     

   <20 ng/mL

53

0.0024

0.752 (0.248)

1.991 (1.156 - 3.430)

0.0131

   ≥20 ng/mL

61

    

Season:

     

   Autumn

19

0.5497

−0.436 (0.375)

0.648 (0.293-1.433)

0.1789

   Spring

38

 

0.017 (0.303)

0.997 (0.549-1.812)

 

   Summer

22

 

0.142 (0.335)

1.672 (0.808-3.459)

 

   Winter

35

    

Body mass index:

     

   ≥25 kg/m2

72

0.0040

0.142 (0.335)

0.441 (0.265-0.733)

0.0016

   <25 kg/m2

42