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Table 3 Extended Cox Regression Model: First post-operative colonoscopy variables not associated with time period of diagnosis

From: A retrospective study on the use of post-operative colonoscopy following potentially curative surgery for colorectal cancer in a Canadian province

 

Month 1 – 12

Month 13 – 60

 

HR (95% CI)

HR (95% CI)

Age Group (vs 30 – 54)

  

   55 – 69

0.77 (0.63 – 0.93)

0.98 (0.81 – 1.19)

   70 – 69

0.48 (0.38 – 0.60)

0.53 (0.43 – 0.66)

   80+

0.14 (0.10 – 0.21)

0.29 (0.21 – 0.38)

Procedure type

  

   APR vs Resection

0.29 (0.22 – 0.40)

0.71 (0.59 – 0.86)

Cancer clinic visits (vs 0)

  

   1 – 4

1.09 (0.92 – 1.30)

1.39 (1.19 – 1.63)

   ≥ 5

1.13 (0.92 – 1.39)

1.69 (1.39 – 2.06)

Surgeon performs colonoscopy

  

   Yes vs No

1.85 (1.59 – 2.15)

1.38 (1.21 – 1.59)