Table 4.
DAMIP/PSO classification results for patients in each of the acuity levels.
| Acuity | Training set size | 10-fold Cross Validation Accuracy | Blind Prediction set size | Blind Prediction Accuracy | ||||
|---|---|---|---|---|---|---|---|---|
| Hospital 1 | Overall | Non-return | Return | Overall | Non-return | Return | ||
| 1 | 700 | 87.9% | 82.9% | 92.8% | 633 | 85.1% | 85.3% | 76.4% |
| 2 | 5000 | 76.0% | 76.4% | 71.4% | 3514 | 73.2% | 73.6% | 71.6% |
| 3 | 6000 | 80.2% | 81.0% | 70.2% | 6060 | 80.3% | 81.1% | 70.3% |
| 4 and 5 | 3000 | 85.2% | 81.1% | 89.2% | 2627 | 81.0% | 81.0% | 81.3% |
| Hospital 2 | Overall | Non-return | Return | Overall | Non-return | Return | ||
| 1 | 350 | 77.2% | 75.6% | 78.8% | 287 | 76.4% | 76.4% | 75.0% |
| 2 | 4500 | 74.8% | 75.3% | 70.0% | 3882 | 74.2% | 74.7% | 70.5% |
| 3 | 10000 | 77.5% | 78.2% | 70.1% | 8781 | 77.5% | 78.2% | 70.0% |
| 4 and 5 | 6000 | 80.1% | 83.7% | 76.5% | 5527 | 78.3% | 78.4% | 76.2% |