• Chest · Jul 2020

    Review

    Cross-Sectional Studies: Strengths, Weaknesses, and Recommendations.

    • Xiaofeng Wang and Zhenshun Cheng.
    • Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH. Electronic address: wangx6@ccf.org.
    • Chest. 2020 Jul 1; 158 (1S): S65-S71.

    AbstractCross-sectional studies are observational studies that analyze data from a population at a single point in time. They are often used to measure the prevalence of health outcomes, understand determinants of health, and describe features of a population. Unlike other types of observational studies, cross-sectional studies do not follow individuals up over time. They are usually inexpensive and easy to conduct. They are useful for establishing preliminary evidence in planning a future advanced study. This article reviews the essential characteristics, describes strengths and weaknesses, discusses methodological issues, and gives our recommendations on design and statistical analysis for cross-sectional studies in pulmonary and critical care medicine. A list of considerations for reviewers is also provided.Copyright © 2020 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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