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Table 2 Model performance for the “structured-data only” and “unstructured-data added” feature sets

From: The prediction of hospital length of stay using unstructured data

  Structured Unstructured Difference (pts) All features
Recall 77.3% 77.1%  − 0.19 76.6%
Specificity 70.4% 72.7% 2.31 71.1%
Precision 74.2% 75.7% 1.48 74.4%
Accuracy 74.1% 75.0% 1.0 75.0%
F1 Score 75.7% 76.4% 0.68 75.5%