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Receiver operating curves for predicting death according the Sequential Organ Failure Assessment (SOFA), Acute Physiology and Chronic Health Evaluation (APACHE) II, and Simplified Acute Physiology Score (SAPS) II scoring systems. The areas under the curve and 95% confidence intervals for these indicators were 0.896 (0.839-0.954) for SOFA, 0.716 (0.615-0.817) for APACHE II, and 0.852 (0.780-0.923) for SAPS II, respectively.
