Psychometric validation of the Psoriasis Symptom Diary using Phase III study data from patients with chronic plaque psoriasis
Strober B, Zhao Y, Tran MH, Gnanasakthy A, Nyirady J, Papavassilis C, Nelson LM, McLeod LD, Mordin M, Gottlieb AB, Elewski BE, Lebwohl M. Psychometric validation of the Psoriasis Symptom Diary using Phase III study data from patients with chronic plaque psoriasis. International Journal Of Dermatology 2015, 55: e147-e155. PMID: 26518255, DOI: 10.1111/ijd.13117.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedClinical Trials, Phase III as TopicDermatologic AgentsFemaleHumansMaleMiddle AgedMulticenter Studies as TopicPatient Reported Outcome MeasuresPsoriasisPsychometricsQuality of LifeRandomized Controlled Trials as TopicReproducibility of ResultsSelf ReportSeverity of Illness IndexSurveys and QuestionnairesSymptom AssessmentYoung AdultConceptsDermatology Life Quality IndexChronic plaque psoriasisInvestigator's Global AssessmentPhase III studyPlaque psoriasisIII studySymptom diarySevere chronic plaque psoriasisMulticenter phase III studyGlobal assessmentSafety of secukinumabSevere plaque psoriasisPatient Global ImpressionPercentage of respondersHealth Status QuestionnaireLife Quality IndexHigh intraclass coefficientsPlacebo armPsoriasis AreaTest-retest reliabilityWeek 12Global ImpressionStatus QuestionnaireTreatment decisionsMean difference