• Daniel Heinl, Cecilia A C Prinsen, Aaron M Drucker, Robert Ofenloch, Rosemary Humphreys, Tracey Sach, Carsten Flohr, and Christian Apfelbacher.
• Medical Sociology, Department of Epidemiology and Preventive Medicine, University of Regensburg, Regensburg, Germany. daniel.heinl@stud.uni-regensburg.de.
• Syst Rev. 2016 Feb 9; 5: 25.

BackgroundEczema is a common chronic or chronically relapsing, inflammatory skin disease that exerts a substantial negative impact on quality of life (QoL). The Harmonising Outcome Measures for Eczema (HOME) initiative has used a consensus-based process which identified QoL as one of the four core outcome domains to be assessed in all eczema clinical trials. A number of measurement instruments exist to measure QoL in infants, children, and adolescents with eczema, and there is a great variability in both content and quality of the instruments used. Therefore, the objective of the proposed research is to comprehensively and systematically assess the measurement properties of the existing measurement instruments that were developed and/or validated for the measurement of patient-reported QoL in infants, children, and adolescents with eczema.Methods/DesignThis study is a systematic review of the measurement properties of patient-reported measures of QoL developed and/or validated for infants, children, and adolescents with eczema. A systematic literature search will be carried out in MEDLINE via PubMed and EMBASE using a selection of relevant search terms. Eligible studies will be primary empirical studies evaluating, describing, or comparing measurement properties of QoL instruments for infants, children, and adolescents with eczema. Two reviewers will independently perform eligibility assessment and data abstraction. Evidence tables will be used to record study characteristics, instrument characteristics, measurement properties, and interpretability. The adequacy of the measurement properties will be assessed using predefined criteria. The COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) checklist will be used to evaluate the methodological quality of included studies. A best evidence synthesis will be undertaken if more than one study has examined a particular measurement property.DiscussionThe proposed systematic review will yield a comprehensive assessment of measurement properties of existing QoL instruments in infants, children, and adolescents with eczema. The results will serve as a basis to recommend a QoL measurement instrument for infants, one for children, and one for adolescents for use in future clinical trials.Systematic Review RegistrationPROSPERO CRD42015023483.

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