Risk Group Statistics for the Models Built Using the Patient Data
| Derivation group | Validation group | |||||
|---|---|---|---|---|---|---|
| Flu/Total (%) | LR | In Group (%) | Flu/Total (%) | LR | In Group (%) | |
| Conditional inference tree (manual) | ||||||
| Low | 3/43 (7.0) | 0.1 | 24.7 | 8/22 (36.4) | 0.5 | 28.9 |
| Moderate | 17/39 (43.6) | 0.8 | 22.4 | 8/13 (61.5) | 1.5 | 17.1 |
| High | 68/92 (73.9) | 2.8 | 52.9 | 23/41 (56.1) | 1.2 | 53.9 |
| Naive Bayes classifier | ||||||
| Low | 0/2 (0.0) | 0.0 | 1.1 | 0/0 (NA) | NA | 0.0 |
| Moderate | 0/10 (0.0) | 0.0 | 5.7 | 0/5 (0.0) | 0.0 | 6.6 |
| High | 88/162 (54.3) | 1.2 | 93.1 | 39/71 (54.9) | 1.2 | 93.4 |
| LASSO score | ||||||
| Low | 5/41 (12.2) | 0.1 | 23.6 | 7/23 (30.4) | 0.4 | 30.7 |
| Moderate | 20/49 (40.8) | 0.7 | 28.2 | 9/12 (75.0) | 2.8 | 16.0 |
| High | 63/84 (75.0) | 2.9 | 48.3 | 23/40 (57.5) | 1.2 | 53.3 |
Abbreviations: LASSO, Least Absolute Shrinkage and Selection Operator; LR, stratum-specific likelihood ratio.
Notes: We assigned risk groups using a 25% testing threshold and a 60% treatment threshold.