How does body mass index (BMI) affect the prognosis of colon cancer?

Updated: Apr 15, 2020
  • Author: Tomislav Dragovich, MD, PhD; Chief Editor: N Joseph Espat, MD, MS, FACS  more...
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A study by Campbell et al found that prediagnosis body mass index (BMI) is an important predictor of survival among patients with nonmetastatic colorectal cancer, whereas postdiagnosis BMI is not. [38] A separate study from Campbell et al found that spending 6 or more hours per day sitting was associated with higher all-cause mortality compared with sitting less than 3 hours per day. The study concluded that increased recreational physical activity in patients with colorectal carcinoma reduces mortality. [39]

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