After this article was published, similarities were noted between this article [1, 2] and submissions by other research groups which call into question the validity and provenance of the reported results.
In response to queries about these concerns, the corresponding author provided the underlying data in S1 File.
The authors commented on aspects of how data were collected and analysed for this study, but overall their responses did not fully resolve the concerns.
The PLOS ONE Editors issue this Expression of Concern to notify readers of the unresolved concerns discussed above, and to provide the data received from the authors.
Supporting information
S1 File. The underlying data used for the analysis in this article [1, 2].
https://doi.org/10.1371/journal.pone.0300484.s001
(ZIP)
References
- 1. Zhang Y, Liu H, Li L, Ai M, Gong Z, He Y, et al. (2017) Cholecystectomy can increase the risk of colorectal cancer: A meta-analysis of 10 cohort studies. PLoS ONE 12(8): e0181852. pmid:28771518
- 2. Zhang Y, Liu H, Li L, Ai M, Gong Z, He Y, et al. (2018) Correction: Cholecystectomy can increase the risk of colorectal cancer: A metaanalysis of 10 cohort studies. PLoS ONE 13(1): e0191587. pmid:29342205
Citation: The PLOS ONE Editors (2024) Expression of Concern: Cholecystectomy can increase the risk of colorectal cancer: A meta-analysis of 10 cohort studies. PLoS ONE 19(3): e0300484. https://doi.org/10.1371/journal.pone.0300484
Published: March 8, 2024
Copyright: © 2024 The PLOS ONE Editors. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.