| Typicality: | 0.478 |
| Saliency: | 0.739 |
| from the lungs | 16 | transitive-object |
| chronically | 2 | manner |
| in the respiratory airways | 2 | location |
| chronic obstructive pulmonary disease → be characterized by → airflow limitation | 14 |
| chronic obstructive pulmonary disease → cause → obstructed airflow | 13 |
| chronic obstructive pulmonary disease → be characterized by → persistent airflow limitation | 8 |
| chronic obstructive pulmonary disease → be characterized by → poor airflow | 5 |
| chronic obstructive pulmonary disease → obstruct → airflow | 3 |
| negative | neutral | positive |
| 0.832 | 0.157 | 0.011 |
| Raw frequency | 43 |
| Normalized frequency | 0.739 |
| Modifier score | 0.500 |
| Perplexity | 33.830 |