Materials and Methods
The study was approved by the Health Research Authority and the Research
Ethics Committee. REC reference: 17/SW/0110. IRAS project ID: 223334.
The study was funded by the United Kingdom Continence Society grant,
which was externally peer reviewed for scientific quality: reference
SCR/PDK. A follow up postal questionnaire survey of all 180 patients
recruited to the original trial was performed7. This
trial had involved 11 NHS Hospital Trusts and participants were invited
by postal survey. A patient information leaflet was provided, and a
written informed consent included. All patients who wished to
participate in the study were given the option to either return the
completed questionnaires in the provided envelopes or request further
information if desired. Only one reminder was permitted. Questionnaires
were not sent to those who were deceased.