期刊
BMC MEDICAL RESEARCH METHODOLOGY
卷 18, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12874-018-0583-x
关键词
BIOCROSS; Quality appraisal; Evaluation tool; Cross-sectional studies
资金
- Open Access Fund of the Leibniz Association
- German Institute of Human Nutrition Potsdam-Rehbruecke
BackgroundBiomarker-based analyses are commonly reported in observational epidemiological studies; however currently there are no specific study quality assessment tools to assist evaluation of conducted research. Accounting for study design and biomarker measurement would be important for deriving valid conclusions when conducting systematic data evaluation.MethodsWe developed a study quality assessment tool designed specifically to assess biomarker-based cross-sectional studies (BIOCROSS) and evaluated its inter-rater reliability. The tool includes 10-items covering 5 domains: Study rational', Design/Methods', Data analysis', Data interpretation' and Biomarker measurement', aiming to assess different quality features of biomarker cross-sectional studies. To evaluate the inter-rater reliability, 30 studies were distributed among 5 raters and intraclass correlation coefficients (ICC-s) were derived from respective ratings.ResultsThe estimated overall ICC between the 5 raters was 0.57 (95% Confidence Interval (CI): 0.38-0.74) indicating a good inter-rater reliability. The ICC-s ranged from 0.11 (95% CI: 0.01-0.27) for the domain Study rational' to 0.56 (95% CI: 0.40-0.72) for the domain Data interpretation'.ConclusionBIOCROSS is a new study quality assessment tool suitable for evaluation of reporting quality from cross-sectional epidemiological studies employing biomarker data. The tool proved to be reliable for use by biomedical scientists with diverse backgrounds and could facilitate comprehensive review of biomarker studies in human research.
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