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Published:
Oct 27, 2022DOI:
10.4314/ahs.v22i3.18Keywords:
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Main Article Content
Development of a model for predicting mortality of breast cancer admitted to Intensive Care Unit
Abstract
Background: There is still not a mortality prediction model built for breast cancer admitted to intensive care unit (ICU).
Objectives: We aimed to build a prognostic model with comprehensive data achieved from eICU database.
Methods: Outcome was defined as all-cause in-hospital mortality. Least absolute shrinkage and selection operator (LASSO) was conducted to select important variables which were then taken into logistic regression to build the model. Bootstrap method was
then conducted for internal validation.
Results: 448 patients were included in this study and 79 (17.6%) died in hospital. Only 5 items were included in the model and the area under the curve (AUC) was 0.844 (95% confidence interval [CI]: 0.804-0.884). Calibration curve and Brier score (0.111, 95% CI: 0.090-0.127) showed good calibration of the model. After internal validation, corrected AUC and Brier score were 0.834 and 0.116. Decision curve analysis (DCA) also showed effective clinical use of the model. The model can be easily assessed on website of https://breastcancer123.shinyapps.io/BreastCancerICU/.
Conclusions: The model derived in this study can provide an accurate prognosis for breast cancer admitted to ICU easily, which can help better clinical management.
Keywords: Breast neoplasms; intensive care unit; prognosis.
