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