| last for more than 12 w… | 0.55 |
| last for month | 0.40 |
| refer to persistent or … | 0.33 |
| affect approximately 12… | 0.16 |
| same symptoms | 0.37 |
| surgery | 0.43 |
| immediate medical atten… | 0.16 |
| fatal | 0.36 |
| caused by infection | 0.71 |
| difficult to treat | 0.57 |
| caused by nasal polyps | 0.41 |
| caused by deviated sept… | 0.25 |
| caused by fungus | 0.23 |
| caused by growth | 0.16 |