Data collected centrally cover cancellations for non-clinical reasons on the day the patient is due to arrive or after arrival in hospital, and for non-clinical reasons on the day of surgery. The data are available by provider but not by speciality. There were 744 such cancellations in the period January to December 2006 at Hull and East Yorkshire national health service trust. This equates to 1.1 per cent. of elective admissions.