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Receiver operator characteristics curve and calibration plot. A, the receiver operator characteristics curve for the composite VTE outcome for the complete super learner ensemble (ML), the reduced super learner ensemble (rML), and the IMPROVE risk score. B, the calibration plot for the composite VTE outcome for the complete super learner ensemble (ML), the reduced super learner ensemble (rML), and the IMPROVE risk score. VTE, venous thromboembolism
