Confusion matrix in the training set
| Actual | Training set predicted count | ||||
| New BDR category | Negative | Minimal | Mild | Moderate | Marked |
| Negative | 4833 | 222 | 0 | 0 | 0 |
| Minimal | 3 | 3059 | 1196 | 0 | 0 |
| Mild | 5 | 104 | 3096 | 153 | 3 |
| Moderate | 4 | 1 | 1191 | 1133 | 399 |
| Marked | 6 | 0 | 30 | 246 | 1859 |
BDR, bronchodilator responsiveness.