Table 1
Clinical features of pneumonia and BOOP
| Clinical features | Pneumonia | BOOP |
|---|---|---|
| BOOP, bronchiolitis obliterans and organising pneumonia. | ||
| Dyspnoea | ++ | ++ |
| Cough | + Purulent | + Often non-productive or mucoid |
| Onset | Often rapid <6 days | Insidious often >6 days |
| Fever | + | + |
| Crackles | + | + |
| Chest radiograph | Lobar/unilateral | Often bilateral blotchy shadows |
| Extrapulmonary features | Especially with atypical, pneumonia—for example, headache, gastrointestinal disturbance | None |
