Development of an International COVID-19 Specific Quality of Life Questionnaire, Phase III. The OSLO COVID-19 QLQ

Purpose: to develop an international validated patient-reported outcome measure for COVID-19 patients according to international guidelines. In this phase III of the project, the preliminary questionnaire of 80 items will be tested. It has been developed based on literature review and interviews with health care professionals and patients (phase I-II). In Phase III A patients will fill in the questionnaire followed by interviews on relevance, importance and wording of the questionnaire In Phase III B patients will fill in the questionnaire and an debriefing questionnaire. We will do explorative psychometric analyses.