Table 4. Areas Under the Receiver Operating Characteristic Curve (AUROC), and Precision Recall Curve (AUPRC) in 10-fold cross validation with 50 replications of multiple logistic regression classifiers.

Features	AUROC (stdev)	AUPRC (stdev)
SAPS-II, Gender, ICU Type, Mean Sentiment Polarity, Mean Sentiment Subjectivity	0.8189 (0.0106)	0.3698 (0.0243)
SAPS-II, Gender, ICU Type	0.8092 (0.0117)	0.3495 (0.0236)
Difference	0.0097, 95% BCI: [0.0070, 0.0126]	0.0203, 95% BCI: [0.0159, 0.0261]

stdev, standard deviation