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. 2022 Jul 30;24:55. doi: 10.1186/s13058-022-01549-5

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© The Author(s) 2022

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. 6 — Per-lesion analysis demonstrated graphically as a jackknife alternative free-response receiver operator characteristics (JAFROC) curve There were 58 biopsy-confirmed cancer lesions in the dataset, equating to a total of 2146 decisions made by the 37 readers. The LLF was overall was 83% (1783/2146); 86% (847/986) for the Group 1 readers and 81% (936/1160) for the Group 2 readers. The reader-averaged weighted JAFROC FOM was 0.93 (95%CI 0.92–0.94) overall. The reader-averaged weighted JAFROC FOM for Group 1 readers of 0.95 (95%CI 0.95–0.96) was significantly higher than for Group 2 (0.91; 95%CI 0.89–0.93); p = 0.004