Which patients were included in the estimate of 90-day mortality for 2018 Clinical Outcomes Publication?

All patients diagnosed with bowel cancer between 1 April 2012 and 31 March 2017 who, according to NBOCA, underwent an elective or scheduled major resection on or before 31 October 2017 regardless of curative intent.

Patients under 18, those with cancer of the appendix, those with missing date of surgery or date of surgery after date of death, and those for whom ONS mortality data was unavailable were excluded.