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Prediction of 1-year all-cause mortality on external testing. Receiver-operating characteristic curves for prediction of 1-year all-cause mortality following hospital discharge after successful transcatheter aortic valve implantation. The machine learning XGBoost model had a significantly higher area under the curve for all-cause mortality prediction than an established risk score (EuroSCORE II) and conventional predictors of outcomes (including age), P < 0.001.
