Patient reported outcome (PRO) questionnaire
itching,, pain
The new OST 2.0 comprises a PRO questionnaire consisting of six items designed to assess the severity of PSCs (The remaining three items (Q4–Q6) assess symptoms of itching, pain, and burning (sensation symptoms). For each symptom, the corresponding item asks the subject to rate the severity of the symptom at its worst since the last ostomy product change. These items utilize a 0–10 numerical rating scale ranging from 0 (No symptom) to 10 (Worst possible peristomal skin symptom).In an exit interview 12 subjects from the UK population participated in 30 min Cognitive Debriefing (CD) interviews conducted by phone.During the interviews, subjects were asked to discuss and evaluate item relevance, interpretation of items, item response options, and recall periods. Moreover, the subjects were asked whether they thought any important concepts were missing and whether any items should be removed. All interviews were audio-recorded and transcribed verbatim. Qualitative analysis of the verbatim transcripts, was conducted using the computer assisted qualitative analysis software program ATLAS.ti. (