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Table 3 Cox proportional hazard model for factors associated with survival of colon cancer.

From: Cyclin D1 and Rb protein expression and their correlation with prognosis in patients with colon cancer

Variable

Relative risk

95% CI

P value

Dukes' stage

   

   AB vs CD

8.59

2.67–27.56

0.003

Grade

   

Well+moderate vs. poor

1.29

0.64–2.61

0.471

Site

   

Proximal vs. distal

1.00

0.52–1.92

0.989

Lymph node metastasis

   

Negative vs. positive

1.41

0.55–3.62

0.471

Hepatic metastasis

   

Negative vs. positive

0.12

0.05–0.31

0.000

Vessel invasion

   

Negative vs. positive

0.81

0.40–1.65

0.569

Adjuvant therapy

   

Yes vs. No

0.28

0.03–2.23

0.233

pRb

   

Negative vs. positive

0.83

0.43–1.60

0.580

Cyclin D1

   

Negative vs positive

1.03

0.50–2.12

0.919

  1. CI = Confidence interval