Case-based prediction of survival in colorectal cancer patients.

To develop an approach to the prediction of survival in patients with colorectal cancer using nearest neighbor analysis and case-based reasoning.A total of 216 patients with full clinicopathologic records and five-year follow-up were the subjects of this study. They were divided into a core database of 162 cases and a test group of 54 cases, with follow-up on all patients. When the patient was still alive at the end of the follow-up period,...