Table 2.
Histological lung injury score.
| Parameter∗ | Score per field | ||
|---|---|---|---|
| 0 | 1 | 2 | |
| A. Neutrophils in the alveolar space | None | 1–5 | >5 |
| B. Neutrophils in the interstitial space | None | 1–5 | >5 |
| C. Hyaline membranes | None | 1 | >1 |
| D. Proteinaceous debris filling the airspaces | None | 1 | > 1 |
| E. Alveolar septal thickening | <2× | 2×–4× | >4× |
| F. Alveolar congestion | None | 1–5 | >5 |
∗Lung injury scoring system [adapted from Matute-Bello] (Gonzales et al., 2015) Reprinted with permission of the American Thoracic Society. Copyright© 2016 American Thoracic Society.