Patients undergoing elective inpatient surgery for four common elective procedures (hip and knee replacement, varicose vein surgery and groin hernia surgery) funded by the English NHS are asked to complete questionnaires before and after their operations to assess improvement in health as perceived by the patients themselves.
Update 28/02/2017: This publication has been updated since initial publication in order to rectify a problem with the display of data on the funnel plot of the score comparison tool. The data within the score comparison tool is not affected.