Item-Level Psychometric Properties for a New Patient-Reported Psoriasis Symptom Diary
Strober B, Nyirady J, Mallya U, Guettner A, Papavassilis C, Gottlieb A, Elewski B, Turner-Bowker D, Shields A, Gwaltney C, Lebwohl M. Item-Level Psychometric Properties for a New Patient-Reported Psoriasis Symptom Diary. Value In Health 2013, 16: 1014-1022. PMID: 24041351, DOI: 10.1016/j.jval.2013.07.002.Peer-Reviewed Original ResearchConceptsSymptom diaryClinical trialsSevere chronic plaque-type psoriasisChronic plaque-type psoriasisGlobal assessmentDermatology Life Quality IndexPhase 2 clinical trialChronic plaque psoriasisInvestigator's Global AssessmentPatient Global ImpressionPlaque-type psoriasisFuture clinical trialsLife Quality IndexPsychometric propertiesPlaque psoriasisPsoriasis AreaWeek 12Global ImpressionResponder definitionAdult outpatientsNew patientsItem-level psychometric propertiesStudy weekDiary assessmentsDiary itemsThe 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