Oncologic outcome of colorectal cancer patients over age 80: a propensity score-matched analysis

It remains unclear whether old age is a poor prognostic factor in colorectal cancer (CRC). We compared oncologic outcomes in CRC patients according to age, using 80 as the dividing point. CRC patients who underwent radical surgery from 2000 to 2011 were evaluated. We performed matched and adjusted analyses comparing oncologic outcomes between patients with ≥ 80 and