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Additionally, the reproducibility of DTI indices was assessed between 1.5\u00a0T and 3.0\u00a0T scanners.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>A total of 18 ex-vivo hearts were derived from patients who underwent heart transplantation. The DTI schemes were performed at 1.5\u00a0T and 3.0\u00a0T, respectively. Then, the same slices from each ex-vivo heart were selected for image analysis. The student\u2019s t-test or Wilcoxon-rank test was used to compare the statistical differences. The agreement of DTI indices was mainly reported as the interclass correlation coefficient (ICC).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>No significant differences (all <jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05) were found in the DTI indices between 1.5\u00a0T and 3.0\u00a0T scanners. Interestingly, the ICC of all DTI indices was relatively lower with a low b-value. The reproducibility of the helix angle (HA) was relatively lower when compared to the other DTI indices.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>The DTI indices of ex-vivo human hearts between 1.5\u00a0T and 3.0\u00a0T scanners had no significant differences. The consistency of DTI indices needed caution using a low b-value with different field strengths, and the relatively low reproducibility of HA should be considered.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12880-023-00969-9","type":"journal-article","created":{"date-parts":[[2023,1,25]],"date-time":"2023-01-25T05:02:57Z","timestamp":1674622977000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["The comparison of diffusion tensor imaging in human hearts between 1.5\u00a0T and 3.0\u00a0T"],"prefix":"10.1186","volume":"23","author":[{"given":"Xiaodan","family":"Li","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rui","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xi","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zebin","family":"Xiao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoyu","family":"Wei","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuelong","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhongping","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhigang","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanjie","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,1,25]]},"reference":[{"issue":"6","key":"969_CR1","doi-asserted-by":"publisher","first-page":"677","DOI":"10.1016\/j.jacc.2016.10.080","volume":"69","author":"GA MacGowan","year":"2017","unstructured":"MacGowan GA, Parikh JD, Hollingsworth KG. 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All participating patients had provided written informed consent for use of the data. All methods were carried out in accordance with relevant guidelines and regulations.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Patients signed informed consent regarding publishing their data and photographs.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"14"}}