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. 2024 Aug 2;29:401. doi: 10.1186/s40001-024-02001-4

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© The Author(s) 2024

Open Access This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits any non-commercial use, sharing, 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 you modified the licensed material. You do not have permission under this licence to share adapted material derived from this article or parts of it. 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-nc-nd/4.0/.

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Fig. 6 — A Nomogram to determine the probability of OS for > 6 months, > 12 months, and > 18 months. B A nomogram to determine the probability of PFS for > 6 months, > 12 months, and > 18 months. B Value of each risk factor can be converted into a corresponding score according to the “points”. After adding up the individual risk scores for these risk factors, draw a line descending from the axis labeled “Total points” until it intercepts each clinical predictive score for SCLC. C Calibration curves for the OS nomogram at 6, 12, and 18 months. E Calibration curves for the PFS nomogram at 3, 6, and 12 months. Results of DCA for two models (the nomogram model and shrinkage rate) applied to OS (D) and PFS (F), respectively. The DCA curves measure the net benefit (y-axis) versus the model’s high risk threshold (x-axis) for the different models. DCA: decision curve analysis; OS: overall survival; PFS: progression-free survival; SCLC: small-cell lung cancer