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. 2022 Aug 8;22:304. doi: 10.1186/s12890-022-02096-7

Fig. 6.

Fig. 6

Application of the CatBoost model. A Receiver operating characteristic curves of different models in the prospective validation set. B Influence of the SHAP value on model output. C An example of the web-based tool. D The prediction results of CatBoost model and the top ten importance features are summarized. A green bar indicates a protective factor, whereas a red bar represents a risk factor. Bar length corresponds to the magnitude of protection or risk