After this article was published, similarities were noted between this article [1] 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 and S2 Files.
The authors commented on aspects of how data were collected and analyzed 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.
https://doi.org/10.1371/journal.pone.0292986.s001
(RM5)
S2 File. Study identifiers, effect sizes (HR), 95% CI, and grouping variables for the analysis.
https://doi.org/10.1371/journal.pone.0292986.s002
(DOCX)
Reference
- 1. Wang H, Shen G, Jiang C, Li L, Cui F, Tian R (2018) Prognostic value of baseline, interim and end-of-treatment 18F-FDG PET/CT parameters in extranodal natural killer/T-cell lymphoma: A metaanalysis. PLoS ONE 13(3): e0194435. https://doi.org/10.1371/journal.pone.0194435
Citation: The PLOS ONE Editors (2023) Expression of Concern: Prognostic value of baseline, interim and end-of-treatment 18F-FDG PET/CT parameters in extranodal natural killer/T-cell lymphoma: A meta-analysis. PLoS ONE 18(10): e0292986. https://doi.org/10.1371/journal.pone.0292986
Published: October 11, 2023
Copyright: © 2023 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.