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Receiver operator characteristics (ROC) curves plasma DNA concentrations for predicting fatal outcome after severe TBI. ROC curve analysis showed area under the curve of 0.694±0.040 (standard error of the mean) (p<0.001). A cutoff point of 171381 kilogenomes-equivalents/L plasma DNA concentrations was chosen and presented a specificity and sensitivity for predicting mortality of 90% and 43%, respectively.
