To construct and validate a simple patient related outcome measure scheme to quantify the disability caused by Dupuytren's Disease thus enabling prioritisation of treatment, allow reliable audit of surgical outcome and support future research. The Southampton Dupuytren's Scoring System (SDSS) was developed in a staged fashion according to the recommendations of Derby Outcomes Conference. item generation from questionnaire filled in by 20 patients; item reduction to create a 20-question proforma; Internal consistency (Cronbach's alpha) Test-retest (3 week interval testing on 61 patients) Field management was used to assess the user friendliness of the scoring system. Sensitivity to change Standardised response mean Construct validity: ability of the SDSS to measure what it is supposed to measure. comparing SDSS with QuickDASH (Disability of Arm, Shoulder and Hand)Aim
Methods