* Please note that a new version of the Data Quality Note containing an amended description of the method used to estimate missing PROMs episodes was published on 10 October 2014. Published PROMs data and estimates of missing PROMs episodes are not affected. The HSCIC apologises for any inconvenience caused. *
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.
Extended analyses of the latest finalised data are published three times a year as 'special topics'. The latest, EQ-5D™Index Analysis, was published on May 2014.