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A least absolute shrinkage and selection operator (LASSO)\u2013Cox regression analysis was used to select significant prognostic factors based on Model<jats:sup>C<\/jats:sup> with clinical factors, Model<jats:sup>R<\/jats:sup> with radiomic features, and Model<jats:sup>CR<\/jats:sup> with both factors. The Kaplan\u2013Meier method was used to compare stroke-free survival probabilities. A nomogram and a calibration curve were used for further evaluation.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Radiomic signature (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01), age (<jats:italic>p<\/jats:italic>\u2009=\u20090.09), dyslipidemia (<jats:italic>p<\/jats:italic>\u2009=\u20090.03), and multiple infarctions (<jats:italic>p<\/jats:italic>\u2009=\u20090.02) were independently associated with future ischemic strokes. Model<jats:sup>CR<\/jats:sup> had the best accuracy with 6-, 12-, and 18-month areas under the curve of 0.84, 0.81, and 0.79 for the training cohort and 0.79, 0.88, and 0.75 for the validation cohort, respectively. Patients with a Model<jats:sup>CR<\/jats:sup> score\u2009&lt;\u20090.17 had higher probabilities of stroke-free survival. The prognostic nomogram and calibration curves of the training and validation cohorts showed acceptable discrimination and calibration capabilities (concordance index [95% confidence interval]: 0.7864 [0.70\u20130.86]; 0.7140 [0.59\u20130.83], respectively).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Radiomic analysis based on baseline CT images may provide a novel approach for predicting future ischemic strokes in patients with SLI. Older patients and those with dyslipidemia or multiple infarctions are at higher risk for ischemic stroke and require close monitoring and intensive intervention.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12880-020-00470-7","type":"journal-article","created":{"date-parts":[[2020,7,8]],"date-time":"2020-07-08T12:03:48Z","timestamp":1594209828000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Noninvasive model for predicting future ischemic strokes in patients with silent lacunar infarction using radiomics"],"prefix":"10.1186","volume":"20","author":[{"given":"Jie-hua","family":"Su","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ling-wei","family":"Meng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Di","family":"Dong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wen-yan","family":"Zhuo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jian-ming","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li-bin","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi","family":"Qin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ye","family":"Tian","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jie","family":"Tian","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhao-hui","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,7,8]]},"reference":[{"key":"470_CR1","doi-asserted-by":"publisher","first-page":"153","DOI":"10.1016\/j.ejrad.2016.10.026","volume":"96","author":"L Bouchez","year":"2017","unstructured":"Bouchez L, Sztajzel R, Vargas MI, Machi P, Kulcsar Z, Poletti PA, Pereira VM, Lovblad KO. 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The approval of the medical ethics committee of Zhuhai Hospital Affiliated with Jinan University was obtained.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interests.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"77"}}