Summary of LRM and LSTM mortality detection performance at different time points
| Time of Prediction . | AUC-ROC (LRM) . | PPV (LRM) . | NPV (LRM) . | AUC-ROC (LSTM) . | PPV (LSTM) . | NPV (LSTM) . |
|---|---|---|---|---|---|---|
| 1 hour | 0.59 ± 0.02 | 0.75 ± 0.09 | 0.62 ± 0.08 | 0.88 ± 0.02 | .0.96 ± 0.02 | 0.71 ± 0.06 |
| 6 hours | 0.72 ± 0.03 | 0.85 ± 0.03 | 0.75 ± 0.02 | 0.89 ± 0.03 | 0.73 ± 0.05 | 0.81 ± 0.03 |
| 12 hours | 0.75 ± 0.01 | 0.85 ± 0.05 | 0.80 ± 0.03 | 0.93 ± 0.01 | 0.92 ± 0.02 | 0.84 ± 0.02 |
| 48 hours | 0.73 ± 0.03 | 0.82 ± 0.04 | 0.85 ± 0.04 | 0.95 ± 0.01 | 0.97 ± 0.01 | 0.85 ± 0.01 |
| 1 week | 0.71 ± 0.01 | 0.79 ± 0.03 | 0.70 ± 0.02 | 0.91 ± 0.02 | 0.85 ± 0.04 | 0.92 ± 0.02 |
| 2 weeks | 0.79 ± 0.02 | 0.86 ± 0.01 | 0.75 ± 0.04 | 0.90 ± 0.03 | 0.79 ± 0.06 | 0.90 ± 0.02 |
| 3 weeks | 0.72 ± 0.02 | 0.80 ± 0.07 | 0.71 ± 0.03 | 0.91 ± 0.01 | 0.82 ± 0.02 | 0.93 ± 0.01 |
| 4 weeks | 0.82 ± 0.01 | 0.88 ± 0.02 | 0.77 ± 0.06 | 0.90 ± 0.02 | 0.88 ± 0.03 | 0.79 ± 0.03 |
| Total length of stay | 0.81 ± 0.02 | 0.89 ± 0.02 | 0.80 ± 0.02 | 0.96 ± 0.01 | 0.80 ± 0.03 | 1.0 ± 0.01 |
| Time of Prediction . | AUC-ROC (LRM) . | PPV (LRM) . | NPV (LRM) . | AUC-ROC (LSTM) . | PPV (LSTM) . | NPV (LSTM) . |
|---|---|---|---|---|---|---|
| 1 hour | 0.59 ± 0.02 | 0.75 ± 0.09 | 0.62 ± 0.08 | 0.88 ± 0.02 | .0.96 ± 0.02 | 0.71 ± 0.06 |
| 6 hours | 0.72 ± 0.03 | 0.85 ± 0.03 | 0.75 ± 0.02 | 0.89 ± 0.03 | 0.73 ± 0.05 | 0.81 ± 0.03 |
| 12 hours | 0.75 ± 0.01 | 0.85 ± 0.05 | 0.80 ± 0.03 | 0.93 ± 0.01 | 0.92 ± 0.02 | 0.84 ± 0.02 |
| 48 hours | 0.73 ± 0.03 | 0.82 ± 0.04 | 0.85 ± 0.04 | 0.95 ± 0.01 | 0.97 ± 0.01 | 0.85 ± 0.01 |
| 1 week | 0.71 ± 0.01 | 0.79 ± 0.03 | 0.70 ± 0.02 | 0.91 ± 0.02 | 0.85 ± 0.04 | 0.92 ± 0.02 |
| 2 weeks | 0.79 ± 0.02 | 0.86 ± 0.01 | 0.75 ± 0.04 | 0.90 ± 0.03 | 0.79 ± 0.06 | 0.90 ± 0.02 |
| 3 weeks | 0.72 ± 0.02 | 0.80 ± 0.07 | 0.71 ± 0.03 | 0.91 ± 0.01 | 0.82 ± 0.02 | 0.93 ± 0.01 |
| 4 weeks | 0.82 ± 0.01 | 0.88 ± 0.02 | 0.77 ± 0.06 | 0.90 ± 0.02 | 0.88 ± 0.03 | 0.79 ± 0.03 |
| Total length of stay | 0.81 ± 0.02 | 0.89 ± 0.02 | 0.80 ± 0.02 | 0.96 ± 0.01 | 0.80 ± 0.03 | 1.0 ± 0.01 |
AUC-ROC: area under the curve receiver operating characteristic curve; CI: class interval; LRM: logistic regression model; LSTM: long–short-term memory; NPV: negative predictive value; PPV: positive predictive value.
Summary of LRM and LSTM mortality detection performance at different time points
| Time of Prediction . | AUC-ROC (LRM) . | PPV (LRM) . | NPV (LRM) . | AUC-ROC (LSTM) . | PPV (LSTM) . | NPV (LSTM) . |
|---|---|---|---|---|---|---|
| 1 hour | 0.59 ± 0.02 | 0.75 ± 0.09 | 0.62 ± 0.08 | 0.88 ± 0.02 | .0.96 ± 0.02 | 0.71 ± 0.06 |
| 6 hours | 0.72 ± 0.03 | 0.85 ± 0.03 | 0.75 ± 0.02 | 0.89 ± 0.03 | 0.73 ± 0.05 | 0.81 ± 0.03 |
| 12 hours | 0.75 ± 0.01 | 0.85 ± 0.05 | 0.80 ± 0.03 | 0.93 ± 0.01 | 0.92 ± 0.02 | 0.84 ± 0.02 |
| 48 hours | 0.73 ± 0.03 | 0.82 ± 0.04 | 0.85 ± 0.04 | 0.95 ± 0.01 | 0.97 ± 0.01 | 0.85 ± 0.01 |
| 1 week | 0.71 ± 0.01 | 0.79 ± 0.03 | 0.70 ± 0.02 | 0.91 ± 0.02 | 0.85 ± 0.04 | 0.92 ± 0.02 |
| 2 weeks | 0.79 ± 0.02 | 0.86 ± 0.01 | 0.75 ± 0.04 | 0.90 ± 0.03 | 0.79 ± 0.06 | 0.90 ± 0.02 |
| 3 weeks | 0.72 ± 0.02 | 0.80 ± 0.07 | 0.71 ± 0.03 | 0.91 ± 0.01 | 0.82 ± 0.02 | 0.93 ± 0.01 |
| 4 weeks | 0.82 ± 0.01 | 0.88 ± 0.02 | 0.77 ± 0.06 | 0.90 ± 0.02 | 0.88 ± 0.03 | 0.79 ± 0.03 |
| Total length of stay | 0.81 ± 0.02 | 0.89 ± 0.02 | 0.80 ± 0.02 | 0.96 ± 0.01 | 0.80 ± 0.03 | 1.0 ± 0.01 |
| Time of Prediction . | AUC-ROC (LRM) . | PPV (LRM) . | NPV (LRM) . | AUC-ROC (LSTM) . | PPV (LSTM) . | NPV (LSTM) . |
|---|---|---|---|---|---|---|
| 1 hour | 0.59 ± 0.02 | 0.75 ± 0.09 | 0.62 ± 0.08 | 0.88 ± 0.02 | .0.96 ± 0.02 | 0.71 ± 0.06 |
| 6 hours | 0.72 ± 0.03 | 0.85 ± 0.03 | 0.75 ± 0.02 | 0.89 ± 0.03 | 0.73 ± 0.05 | 0.81 ± 0.03 |
| 12 hours | 0.75 ± 0.01 | 0.85 ± 0.05 | 0.80 ± 0.03 | 0.93 ± 0.01 | 0.92 ± 0.02 | 0.84 ± 0.02 |
| 48 hours | 0.73 ± 0.03 | 0.82 ± 0.04 | 0.85 ± 0.04 | 0.95 ± 0.01 | 0.97 ± 0.01 | 0.85 ± 0.01 |
| 1 week | 0.71 ± 0.01 | 0.79 ± 0.03 | 0.70 ± 0.02 | 0.91 ± 0.02 | 0.85 ± 0.04 | 0.92 ± 0.02 |
| 2 weeks | 0.79 ± 0.02 | 0.86 ± 0.01 | 0.75 ± 0.04 | 0.90 ± 0.03 | 0.79 ± 0.06 | 0.90 ± 0.02 |
| 3 weeks | 0.72 ± 0.02 | 0.80 ± 0.07 | 0.71 ± 0.03 | 0.91 ± 0.01 | 0.82 ± 0.02 | 0.93 ± 0.01 |
| 4 weeks | 0.82 ± 0.01 | 0.88 ± 0.02 | 0.77 ± 0.06 | 0.90 ± 0.02 | 0.88 ± 0.03 | 0.79 ± 0.03 |
| Total length of stay | 0.81 ± 0.02 | 0.89 ± 0.02 | 0.80 ± 0.02 | 0.96 ± 0.01 | 0.80 ± 0.03 | 1.0 ± 0.01 |
AUC-ROC: area under the curve receiver operating characteristic curve; CI: class interval; LRM: logistic regression model; LSTM: long–short-term memory; NPV: negative predictive value; PPV: positive predictive value.
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