| with a history of two episodes | 3 | other |
| very | 2 | degree |
| patient → have → asthma | 49 |
| patient → have → severe asthma | 5 |
| patient → have → an asthma attack | 4 |
| negative | neutral | positive |
| 0.469 | 0.461 | 0.071 |
| Raw frequency | 58 |
| Normalized frequency | 0.520 |
| Modifier score | 0.778 |
| Perplexity | 238.461 |