Confusion matrix in the validation set 2
| Actual | Testing set predicted count | ||||
| New BDR category | Negative | Minimal | Mild | Moderate | Marked |
| Negative | 192 | 29 | 0 | 0 | 78 |
| Minimal | 10 | 44 | 0 | 0 | 8 |
| Mild | 3 | 19 | 0 | 0 | 26 |
| Moderate | 9 | 12 | 0 | 0 | 32 |
| Marked | 60 | 22 | 0 | 0 | 172 |
BDR, bronchodilator responsiveness.