Table 2.
Results predicted by the proposed model for different time windows.
| Window and feature | Precision, mean (SD) | Sensitivity, mean (SD) | Specificity, mean (SD) | F1-score, mean (SD) | AUROCa, mean (SD) | AUPRCb, mean (SD) | |
| 12-hour window |
|
|
|
|
|
|
|
|
|
Statistical features | 0.53 (0.00) | 0.65 (0.02) | 0.65 (0.02) | 0.35 (0.01) | 0.65 (0.02) | 0.26 (0.05) |
|
|
Similarity features | 0.54 (0.00) | 0.71 (0.01) | 0.71 (0.01) | 0.41 (0.01) | 0.71 (0.01) | 0.38 (0.06) |
|
|
All statistical features | 0.54 (0.00) | 0.73 (0.02) | 0.73 (0.02) | 0.45 (0.01) | 0.73 (0.02) | 0.40 (0.05) |
| 24-hour window |
|
|
|
|
|
|
|
|
|
Statistical features | 0.53 (0.00) | 0.69 (0.03) | 0.69 (0.03) | 0.41 (0.01) | 0.69 (0.03) | 0.34 (0.09) |
|
|
Similarity features | 0.57 (0.00) | 0.84 (0.02) | 0.84 (0.02) | 0.56 (0.00) | 0.84 (0.02) | 0.52 (0.06) |
|
|
All statistical features | 0.68 (0.04) | 0.90 (0.03) | 0.90 (0.04) | 0.72 (0.04) | 0.86 (0.02) | 0.58 (0.07) |
aAUROC: area under the receiver operating characteristic curve.
bAUPRC: area under the precision-recall curve.