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. 2020 Dec 1;5:16. doi: 10.1186/s41073-020-00101-3

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© The Author(s) 2020

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 7 — Quality of reporting by subjective scores. a Overall reporting scores by title/abstract clarity in the independent samples. Pearson’s correlation: r = 0.38, 95% C.I. [0.23, 0.51], p = 3.1 × 10^− 6, n = 144 (all articles); r = 0.12, 95% C.I. [− 0.11, 0.35], p = 0.29, n = 72 (bioRxiv); r = 0.55, 95% C.I. [0.36, 0.69], p = 6.3 × 10^− 7, n = 72 (PubMed). b Changes in overall reporting scores by changes in title/abstract clarity in the paired sample. Pearson’s correlation: r = 0.25, 95% C.I. [− 0.01, 0.68], p = 0.06, n = 56. c Overall reporting scores by easiness to extract information in the independent samples. Pearson’s correlation: r = 0.59, 95% C.I. [0.47, 0.69], p = 8.7 × 10^− 15, n = 144 (all articles); r = 0.54, 95% C.I. [0.35, 0.68], p = 1.04 × 10^− 6, n = 72 (bioRxiv); r = 0.60, 95% C.I. [0.43, 0.73], p = 2.2 × 10^− 8, n = 72 (PubMed). d Changes in overall reporting scores changes in easiness to extract information in the paired sample. Pearson’s correlation: r = 0.20, 95% C.I. [− 0.06, 0.44], p = 0.13, n = 56. In all panels, bioRxiv articles are in red and PubMed ones are in blue, while differences between paired articles are shown in purple