{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T04:52:46Z","timestamp":1791003166322,"version":"4.1.0"},"reference-count":20,"publisher":"Springer Science and Business Media LLC","issue":"10","license":[{"start":{"date-parts":[[2026,5,28]],"date-time":"2026-05-28T00:00:00Z","timestamp":1779926400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"},{"start":{"date-parts":[[2026,5,28]],"date-time":"2026-05-28T00:00:00Z","timestamp":1779926400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["JP24K12366"],"award-info":[{"award-number":["JP24K12366"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["JP24K12366"],"award-info":[{"award-number":["JP24K12366"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["JP24K12366"],"award-info":[{"award-number":["JP24K12366"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Eur Spine J"],"published-print":{"date-parts":[[2026,10]]},"DOI":"10.1007\/s00586-026-09957-3","type":"journal-article","created":{"date-parts":[[2026,5,28]],"date-time":"2026-05-28T07:35:29Z","timestamp":1779953729000},"page":"6366-6377","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Tree-based and sparse logistic models for predicting one-month postoperative performance status after surgery for spinal metastases"],"prefix":"10.1007","volume":"35","author":[{"given":"Satoshi","family":"Maki","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuki","family":"Shiratani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sumihisa","family":"Orita","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akinobu","family":"Suzuki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koji","family":"Tamai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takaki","family":"Shimizu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kenichiro","family":"Kakutani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yutaro","family":"Kanda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroyuki","family":"Tominaga","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ichiro","family":"Kawamura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masayuki","family":"Ishihara","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaaki","family":"Paku","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yohei","family":"Takahashi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toru","family":"Funayama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kousei","family":"Miura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eiki","family":"Shirasawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirokazu","family":"Inoue","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Atsushi","family":"Kimura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takuya","family":"Iimura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroshi","family":"Moridaira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hideaki","family":"Nakajima","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuji","family":"Watanabe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koji","family":"Akeda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Norihiko","family":"Takegami","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazuo","family":"Nakanishi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirokatsu","family":"Sawada","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koji","family":"Matsumoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masahiro","family":"Funaba","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hidenori","family":"Suzuki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haruki","family":"Funao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tsutomu","family":"Oshigiri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Hirai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bungo","family":"Otsuki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazu","family":"Kobayakawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koji","family":"Uotani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroaki","family":"Manabe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shinji","family":"Tanishima","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ko","family":"Hashimoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chizuo","family":"Iwai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daisuke","family":"Yamabe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akihiko","family":"Hiyama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shoji","family":"Seki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kenji","family":"Kato","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masashi","family":"Miyazaki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazuyuki","family":"Watanabe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshio","family":"Nakamae","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Kaito","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroaki","family":"Nakashima","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Narihito","family":"Nagoshi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gen","family":"Inoue","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shiro","family":"Imagama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kota","family":"Watanabe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Satoshi","family":"Kato","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seiji","family":"Ohtori","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takeo","family":"Furuya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,5,28]]},"reference":[{"key":"9957_CR1","doi-asserted-by":"publisher","first-page":"325","DOI":"10.31616\/asj.2023.0314","volume":"18","author":"B Santipas","year":"2024","unstructured":"Santipas B, Veerakanjana K, Ittichaiwong P et al (2024) Development and internal validation of machine-learning models for predicting survival in patients who underwent surgery for spinal metastases. Asian Spine J 18:325\u2013335. https:\/\/doi.org\/10.31616\/asj.2023.0314","journal-title":"Asian Spine J"},{"key":"9957_CR2","doi-asserted-by":"publisher","first-page":"962","DOI":"10.3390\/diagnostics14090962","volume":"14","author":"AA Shah","year":"2024","unstructured":"Shah AA, Schwab JH (2024) Predictive Modeling for Spinal Metastatic Disease. Diagnostics 14:962. https:\/\/doi.org\/10.3390\/diagnostics14090962","journal-title":"Diagnostics"},{"key":"9957_CR3","doi-asserted-by":"publisher","unstructured":"Amelot A, Terrier L-M, Le Nail L-R et al (2022) Spine Metastasis: Patients with Poor Performance Status (ECOG) Could benefit from Palliative Surgical Care! A Prospective Cohort Study. https:\/\/doi.org\/10.1097\/BRS.0000000000004568. Spine","DOI":"10.1097\/BRS.0000000000004568"},{"key":"9957_CR4","doi-asserted-by":"publisher","first-page":"195","DOI":"10.1186\/s13018-024-04668-1","volume":"19","author":"X-B Xiang","year":"2024","unstructured":"Xiang X-B, Gao K-Y, Zhang W-W et al (2024) Clinical efficacy analysis of surgical treatment for spinal metastasis under the multidisciplinary team using the NOMS decision system combined with the revised Tokuhashi scoring system: a randomized controlled study. J Orthop Surg Res 19:195. https:\/\/doi.org\/10.1186\/s13018-024-04668-1","journal-title":"J Orthop Surg Res"},{"key":"9957_CR5","doi-asserted-by":"publisher","first-page":"4125","DOI":"10.1002\/cam4.5272","volume":"12","author":"Z Li","year":"2023","unstructured":"Li Z, Guo L, Guo B et al (2023) Evaluation of different scoring systems for spinal metastases based on a Chinese cohort. Cancer Med 12:4125\u20134136. https:\/\/doi.org\/10.1002\/cam4.5272","journal-title":"Cancer Med"},{"key":"9957_CR6","doi-asserted-by":"publisher","first-page":"1710","DOI":"10.1097\/CORR.0000000000003030","volume":"482","author":"Y-T Pan","year":"2024","unstructured":"Pan Y-T, Lin Y-P, Yen H-K et al (2024) Are Current Survival Prediction Tools Useful When Treating Subsequent Skeletal-related Events From Bone Metastases? Clin Orthop Relat Research\u00ae 482:1710. https:\/\/doi.org\/10.1097\/CORR.0000000000003030","journal-title":"Clin Orthop Relat Research\u00ae"},{"key":"9957_CR7","doi-asserted-by":"publisher","unstructured":"Massaad E, Bridge CP, Kiapour A et al (2022) Evaluating frailty, mortality, and complications associated with metastatic spine tumor surgery using machine learning\u2013derived body composition analysis. https:\/\/doi.org\/10.3171\/2022.1.SPINE211284","DOI":"10.3171\/2022.1.SPINE211284"},{"key":"9957_CR8","doi-asserted-by":"publisher","first-page":"423","DOI":"10.1186\/s13018-021-02562-8","volume":"16","author":"Y Kanda","year":"2021","unstructured":"Kanda Y, Kakutani K, Sakai Y et al (2021) Surgical outcomes and risk factors for poor outcomes in patients with cervical spine metastasis: a prospective study. J Orthop Surg Res 16:423. https:\/\/doi.org\/10.1186\/s13018-021-02562-8","journal-title":"J Orthop Surg Res"},{"key":"9957_CR9","doi-asserted-by":"publisher","first-page":"69","DOI":"10.1097\/BRS.0b013e3181913f19","volume":"34","author":"Y Tokuhashi","year":"2009","unstructured":"Tokuhashi Y, Ajiro Y, Umezawa N (2009) Outcome of Treatment for Spinal Metastases Using Scoring System for Preoperative Evaluation of Prognosis. Spine 34:69. https:\/\/doi.org\/10.1097\/BRS.0b013e3181913f19","journal-title":"Spine"},{"key":"9957_CR10","doi-asserted-by":"publisher","first-page":"1110","DOI":"10.1097\/00007632-199011010-00005","volume":"15","author":"Y Tokuhashi","year":"1990","unstructured":"Tokuhashi Y, Matsuzaki H, Toriyama S et al (1990) Scoring system for the preoperative evaluation of metastatic spine tumor prognosis. Spine (Phila Pa 1976) 15:1110\u20131113. https:\/\/doi.org\/10.1097\/00007632-199011010-00005","journal-title":"Spine (Phila Pa 1976)"},{"key":"9957_CR11","doi-asserted-by":"publisher","first-page":"E1221","DOI":"10.1097\/BRS.0b013e3181e16ae2","volume":"35","author":"CG Fisher","year":"2010","unstructured":"Fisher CG, DiPaola CP, Ryken TC et al (2010) A novel classification system for spinal instability in neoplastic disease: an evidence-based approach and expert consensus from the Spine Oncology Study Group. Spine (Phila Pa 1976) 35:E1221\u20131229. https:\/\/doi.org\/10.1097\/BRS.0b013e3181e16ae2","journal-title":"Spine (Phila Pa 1976)"},{"key":"9957_CR12","doi-asserted-by":"publisher","DOI":"10.1016\/j.spinee.2025.10.028","author":"A Suzuki","year":"2025","unstructured":"Suzuki A, Tamai K, Takahashi S et al (2025) Changes in performance status and predictive factors for poor improvement following surgery for spinal metastasis: a nationwide multicenter prospective cohort study. Spine J. https:\/\/doi.org\/10.1016\/j.spinee.2025.10.028","journal-title":"Spine J"},{"key":"9957_CR13","doi-asserted-by":"publisher","first-page":"1679","DOI":"10.1016\/j.spinee.2021.03.026","volume":"21","author":"AA Shah","year":"2021","unstructured":"Shah AA, Karhade AV, Park HY et al (2021) Updated external validation of the SORG machine learning algorithms for prediction of ninety-day and one-year mortality after surgery for spinal metastasis. Spine J 21:1679\u20131686. https:\/\/doi.org\/10.1016\/j.spinee.2021.03.026","journal-title":"Spine J"},{"key":"9957_CR14","doi-asserted-by":"publisher","first-page":"E83","DOI":"10.1093\/neuros\/nyy469","volume":"85","author":"AV Karhade","year":"2019","unstructured":"Karhade AV, Thio QCBS, Ogink PT et al (2019) Development of Machine Learning Algorithms for Prediction of 30-Day Mortality After Surgery for Spinal Metastasis. Neurosurgery 85:E83. https:\/\/doi.org\/10.1093\/neuros\/nyy469","journal-title":"Neurosurgery"},{"key":"9957_CR15","doi-asserted-by":"publisher","first-page":"1013","DOI":"10.31616\/asj.2023.0051","volume":"17","author":"P Chavalparit","year":"2023","unstructured":"Chavalparit P, Wilartratsami S, Santipas B et al (2023) Development of Machine-Learning Models to Predict Ambulation Outcomes Following Spinal Metastasis Surgery. Asian Spine J 17:1013\u20131023. https:\/\/doi.org\/10.31616\/asj.2023.0051","journal-title":"Asian Spine J"},{"key":"9957_CR16","doi-asserted-by":"publisher","first-page":"2738","DOI":"10.1097\/JS9.0000000000001169","volume":"110","author":"Y Cui","year":"2024","unstructured":"Cui Y, Shi X, Qin Y et al (2024) Establishment and validation of an interactive artificial intelligence platform to predict postoperative ambulatory status for patients with metastatic spinal disease: a multicenter analysis. Int J Surg 110:2738\u20132756. https:\/\/doi.org\/10.1097\/JS9.0000000000001169","journal-title":"Int J Surg"},{"key":"9957_CR17","doi-asserted-by":"publisher","first-page":"1083","DOI":"10.1016\/j.spinee.2012.10.015","volume":"12","author":"S Chong","year":"2012","unstructured":"Chong S, Shin S-H, Yoo H et al (2012) Single-stage posterior decompression and stabilization for metastasis of the thoracic spine: prognostic factors for functional outcome and patients\u2019 survival. Spine J 12:1083\u20131092. https:\/\/doi.org\/10.1016\/j.spinee.2012.10.015","journal-title":"Spine J"},{"key":"9957_CR18","doi-asserted-by":"publisher","unstructured":"Lenschow M, Lenz M, Telentschak S et al (2022) Preoperative Performance Status Threshold for Favorable Surgical Outcome in Metastatic Spine Disease. https:\/\/doi.org\/10.1227\/neu.0000000000002941. Neurosurgery 10.1227\/neu.0000000000002941","DOI":"10.1227\/neu.0000000000002941"},{"key":"9957_CR19","doi-asserted-by":"publisher","first-page":"322","DOI":"10.1016\/j.spinee.2015.11.005","volume":"16","author":"S-J Park","year":"2016","unstructured":"Park S-J, Lee C-S, Chung S-S (2016) Surgical results of metastatic spinal cord compression (MSCC) from non\u2013small cell lung cancer (NSCLC): analysis of functional outcome, survival time, and complication. Spine J 16:322\u2013328. https:\/\/doi.org\/10.1016\/j.spinee.2015.11.005","journal-title":"Spine J"},{"key":"9957_CR20","doi-asserted-by":"publisher","first-page":"874","DOI":"10.1016\/j.jos.2022.06.006","volume":"28","author":"C Ushiku","year":"2023","unstructured":"Ushiku C, Akiyama S, Ikegami T et al (2023) Clinical study of preoperative skeletal muscle mass as a predictor of physical performance recovery following palliative surgery for spinal metastases. J Orthop Sci 28:874\u2013879. https:\/\/doi.org\/10.1016\/j.jos.2022.06.006","journal-title":"J Orthop Sci"}],"container-title":["European Spine Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00586-026-09957-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00586-026-09957-3","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00586-026-09957-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T04:04:33Z","timestamp":1791000273000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00586-026-09957-3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,5,28]]},"references-count":20,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2026,10]]}},"alternative-id":["9957"],"URL":"https:\/\/doi.org\/10.1007\/s00586-026-09957-3","relation":{},"ISSN":["0940-6719","1432-0932"],"issn-type":[{"value":"0940-6719","type":"print"},{"value":"1432-0932","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,5,28]]},"assertion":[{"value":"6 January 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"5 April 2026","order":2,"name":"revised","label":"Revised","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"11 April 2026","order":3,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"28 May 2026","order":4,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The authors declare no competing interests.","order":1,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Declarations"}}]}}