• Rashmi Pathak, Di Kang, Yuanyuan Lu, Fahad Mansuri, Stephanie Kasen, Yunlong Deng, and Henian Chen.
• Study Design and Data Analysis Center, College of Public Health, University of South Florida, USA; University of Oklahoma Health Science Center, USA.
• Prev Med. 2022 Aug 1; 161: 107130.

AbstractSeveral meta-analyses based on randomized clinical trials data have failed to find an association between the annual physical examination (APE) and reduced mortality; however, no comparable meta-analysis based on observational data exists. We conducted a meta-analysis of observational studies comparing APE versus non-APE in adults for all-cause mortality. English-language searches of four databases (PubMed, CINAHL, EMBASE, and Google Scholar) between the years 2000 to 2019 yielded seven observational studies that investigated APE versus non-APE in healthy adults in relation to all-cause mortality. Random effects models were used to calculate pooled hazard ratios and 95% confidence intervals (CI), and to incorporate variation between studies. During follow-up periods that ranged from two to 25 years, there were 35,055 deaths among 633,957 participants. APE was significantly associated with a 45% lower hazard of all-cause mortality, with pooled hazard ratio of 0.55 (95% CI 0.48 to 0.64, P < 0.01) for all participants. This meta-analysis of seven observational studies in the past 20 years provides evidence of an association between APE and a lower hazard of all-cause mortality, a finding that contrasts with findings based on meta-analyses of randomized clinical trials data. Nonetheless, at present the evidence available about the effectiveness or ineffectiveness of APE on all-cause mortality still needs further study.Copyright © 2022 Elsevier Inc. All rights reserved.

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