Which patients are included in the estimate of 30-day unplanned readmissions in the 2018 report?

All patients diagnosed between 1 April 2016 and 31 March 2017 who, according to NBOCA, underwent a major resection, regardless of surgical urgency or curative intent.

Patients under 18, those with cancer of the appendix, those with a missing date of surgery or whose readmission status cannot be determined from HES/PEDW will be excluded.