Table 3. Patterns of inflammatory cell infiltration.
| Inflammatory infiltration | Bronchi (n=27), n (%) | Bronchioles (n=44), n (%) | P |
|---|---|---|---|
| Eosinophilica | |||
| None | 18 (69.2) | 19 (45.2) | NA |
| 10–30% | 7 (26.9) | 10 (23.8) | 0.770 |
| >30% | 1 (3.8) | 13 (31.0) | 0.008 |
| Neutrophilicb | |||
| None | 10 (37.0) | 10 (23.3) | NA |
| 10–30% | 11 (40.7) | 23 (53.5) | 0.253 |
| >30% | 6 (22.2) | 10 (23.3) | 0.515 |
| Lymphocytic | |||
| None | 8 (29.6) | 18 (40.9) | NA |
| 10–30% | 13 (48.2) | 21 (47.7) | 0.595 |
| >30% | 6 (22.2) | 5 (11.4) | 0.268 |
| Eosinophilic & neutrophilic | |||
| None | 21 (77.8) | 24 (57.1) | NA |
| 10–30% | 5 (18.5) | 13 (31.0) | 0.266 |
| >30% | 1 (3.7) | 5 (11.9) | 0.382 |
| All three | 5 (18.5) | 5 (11.4) | 0.489 |
a, two samples don’t have HE staining (but one of them had bronchi stained); b, one sample doesn’t have neutrophil staining for bronchioles.