2019
Translation and psychometric properties of the King’s Sarcoidosis Questionnaire (KSQ) in German language
Farin E, Heyduck K, Frye BC, Birring SS, Müller-Quernheim J, Schupp JC. Translation and psychometric properties of the King’s Sarcoidosis Questionnaire (KSQ) in German language. Health And Quality Of Life Outcomes 2019, 17: 62. PMID: 30975148, PMCID: PMC6460543, DOI: 10.1186/s12955-019-1131-z.Peer-Reviewed Original ResearchConceptsKing's Sarcoidosis QuestionnaireGood psychometric propertiesGerman Clinical Trials RegisterGerman versionResultsOne hundred ninetyClinical Trials RegisterHealth-related qualityPsychometric propertiesGeneral health statusRasch model fitStructural validityInternal consistencyConstruct validityTrials RegisterConsecutive patientsSarcoidosis patientsOutpatient clinicInterventional studyLife QuestionnaireHealth statusSarcoidosisPatientsMeasurement propertiesCronbach's alphaStructured interviews
2018
Psychometric properties of the German version of the Leicester Cough Questionnaire in sarcoidosis
Schupp JC, Fichtner UA, Frye BC, Heyduck-Weides K, Birring SS, Windisch W, Criée CP, Müller-Quernheim J, Farin E. Psychometric properties of the German version of the Leicester Cough Questionnaire in sarcoidosis. PLOS ONE 2018, 13: e0205308. PMID: 30286204, PMCID: PMC6171952, DOI: 10.1371/journal.pone.0205308.Peer-Reviewed Original ResearchConceptsLeicester Cough QuestionnaireHRQL questionnairesSarcoidosis patientsHealth-related qualityPsychometric propertiesRasch model fitGerman versionInternal consistencyInterventional trialsCommon symptomsPulmonary medicineClinical settingSarcoidosisPatientsFloor effectsProfound negative impactModerate correlationConcurrent validitySkewed responseStructured interviewsQuestionnaireComparative questionnaireCoughCohortSymptoms