Confusion matrix in the testing set
| Actual | Testing set predicted count | ||||
| New BDR category | Negative | Minimal | Mild | Moderate | Marked |
| Negative | 2099 | 118 | 0 | 0 | 0 |
| Minimal | 3 | 1294 | 534 | 0 | 0 |
| Mild | 2 | 37 | 1266 | 36 | 1 |
| Moderate | 1 | 2 | 491 | 488 | 191 |
| Marked | 4 | 0 | 12 | 122 | 767 |
BDR, bronchodilator responsiveness.