The Psoriasis Symptom Diary: development and content validity of a novel patient‐reported outcome instrument
Lebwohl M, Swensen A, Nyirady J, Kim E, Gwaltney C, Strober B. The Psoriasis Symptom Diary: development and content validity of a novel patient‐reported outcome instrument. International Journal Of Dermatology 2013, 53: 714-722. PMID: 23557000, DOI: 10.1111/j.1365-4632.2012.05798.x.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAdaptation, PsychologicalAdolescentAdultAge FactorsAgedCohort StudiesFemaleHumansMaleMiddle AgedObserver VariationPsoriasisPsychometricsQuality of LifeSelf ReportSeverity of Illness IndexSex FactorsSickness Impact ProfileSurveys and QuestionnairesTreatment OutcomeYoung AdultConceptsSymptom diaryPatient experienceNovel patient-reported outcome instrumentContent validityPatient-reported outcome instrumentsPsoriasis-related symptomsQuantitative psychometric testingChronic plaque psoriasisImpact of symptomsQualitative patient interviewsVariety of symptomsPatient's daily lifeNew PRO instrumentAppearance of plaquesPlaque psoriasisEfficacy endpointPsoriasis treatmentPatient interviewsClinical trialsNew patientsPatient understandingOutcome instrumentsImportant symptomKey patient experiencesPRO instruments