Confusion matrix in the validation set 1
| Actual | Testing set predicted count | ||||
| New BDR category | Negative | Minimal | Mild | Moderate | Marked |
| Negative | 1300 | 4 | 0 | 0 | 0 |
| Minimal | 0 | 830 | 379 | 4 | 0 |
| Mild | 0 | 1 | 561 | 456 | 0 |
| Moderate | 0 | 0 | 16 | 916 | 163 |
| Marked | 0 | 0 | 0 | 152 | 1072 |
BDR, bronchodilator responsiveness.