Abstract
Purpose
The Tokuhashi revised score from 2005 (TR2005) is the most recommended prognostic scoring system in patients with metastatic spinal cord compression (MSCC). However, recent studies have questioned its prognostic ability and the need for a new revision has been proposed. We aimed to assess whether a revision of the TR2005 can improve the prognostic ability of the scoring system.
Methods
In 2011 and 2012, a total of 1143 consecutive patients admitted with MSCC were prospectively included in a 2011 and a 2012 cohort. For the patients admitted in 2011 (n = 544), the components of the TR2005 including primary cancer diagnosis were analyzed regarding the prognostic ability. Based on these findings, a revision of the TR2005 score was defined as the Tokuhashi revised score 2017 (TR2017). The prognostic abilities of the TR2005 and the TR2017 were compared by Kaplan Meyer (KM) curves, and receiver-operating characteristics’ (ROC) analysis was compared in a cohort of patients admitted in 2012 (n = 599).
Results
KM curves and ROC analysis showed that the TR2017 had better prognostic ability compared to the TR2005. The ROC areas were as follows: <6-months survival, TR2017 = 0.71 and TR2005 = 0.65, and p = 0.003; for ≥6-month survival, TR2017 = 0.71 and TR2005 = 0.65, and p = 0.003; for ≥12-month survival TR2017 = 0.72 and TR2005 = 0.67, and p = 0.0015.
Conclusions
The TR2017 can improve the prognostic ability of the TR2005 in patients with MSCC. This could affect the preoperative evaluation of patients suffering from MSCC.
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BD and MG receive research financial support from Medtronic, Globus Medical, Rigshospitalet, K2M, and the Lundbeck Foundation for studies unrelated to the present study.
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All authors declare no conflict of interest.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Morgen, S.S., Fruergaard, S., Gehrchen, M. et al. A revision of the Tokuhashi revised score improves the prognostic ability in patients with metastatic spinal cord compression. J Cancer Res Clin Oncol 144, 33–38 (2018). https://doi.org/10.1007/s00432-017-2519-y
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DOI: https://doi.org/10.1007/s00432-017-2519-y