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Pervasive Misclassification and Misconception of Study Designs in Asian Dermatology Journals Listed in Science Citation Index-Expanded

Annals of Dermatology 2020년 32권 5호 p.383 ~ 387
최성준, 윤현선,
소속 상세정보
최성준 ( Choi Sung-Jun ) - Seoul National University Hospital Department of Dermatology
윤현선 ( Yoon Hyun-Sun ) - SMG-SNU Boramae Medical Center Department of Dermatology

Abstract


Background: Misclassification of study designs of journals can hinder the readers from assessing the strengths and weaknesses of the study and evaluating the applicability of the study in the real-world setting. However, it seems that it is common for authors to neglect to classify the study design.

Objective: We aimed to evaluate the accuracy of the classification of study designs and examine the common errors.

Methods: This descriptive study analyzed four Asian dermatology journals listed in the science citation index expanded from January 2018 to December 2018. We investigated discrepancies between author-reported and actual study designs. Design Algorithm for Medical Literature on Intervention (DAMI) was used to determine the actual study design.

Results: Of the 177 papers analyzed, only 72 articles (40.7%) revealed their study design and among them, 23 articles (32.0%) showed discrepancies between the author-reported and the actual study designs. Case-control studies were the most commonly misclassified study designs by authors.

Conclusion: There were considerable differences between the author-reported study design and the actual study design in Asian dermatology journals. Proper classification of study designs by the authors is essential to strengthen evidencebased medicine.

키워드

Classification; Evidence-based medicine; Observational study; Research design

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