Table 4 Risk of mortality associated with the different surgeries before and after confounder adjustment.

From: Trends and Outcomes of Surgical Treatment for Colorectal Cancer between 2004 and 2012- an Analysis using National Inpatient Database

 

Laparoscopic vs. Open (HR, 95% confidence interval)

Robotic vs. Open (HR, 95% confidence interval)

Unadjusted analysis

0.781 (0.681, 0.893)

0.170 (0.055, 0.531)

Confounder adjusted analysis

0.801 (0.682, 0.950)

0.331 (0.105, 1.030)

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