Table 1 Dataset characteristics
Full dataset (training) | Full dataset (validation) | Annotated dataset (training) | Annotated dataset (validation) | |
|---|---|---|---|---|
Admission episodes | 26,470 | 5120 | 829 | 271 |
Age (mean [SD]) | 66.3 (17.2) | 65.6 (16.8) | 66.6 (15.0) | 65.6 (16.4) |
Female (n [%]) | 14,172 (53.5) | 2540 (49.6) | 440 (53.1) | 135 (49.8) |
Mortality (n [%]) | 1616 (6.1) | 425 (8.3) | 173 (20.9) | 27 (10.0) |
ICU admission (n [%]) | 648 (2.4) | 311 (6.1) | 362 (43.7) | 71 (26.2) |
Observation sets | 787,662 | 175,899 | 52,803 | 16,830 |
NEWS-2 score (mean [SD]) | 3.5 (2.5) | 3.0 (2.1) | 4.6 (2.7) | 4.6 (2.7) |
Annotated CSD events | – | – | 1036 | 347 |
Observations sets positive for outcome (n [%])* | 16,726 (2.1) | 5358 (3.0) | 2840 (5.4) | 951 (5.7) |