TABLE 1.

Lung Injury Score

Lung injury scoring system
Variables		Score
A	Alveolar neutrophils	0	Absent
B	Interstitial neutrophils	1	Mild, localized
C	Capillary congestion and/or hemorrhage within alveolar spaces	2	Moderate, larger areas
D	Proteinaceous exudate/edema	3	Severe, ubiquitous
E	Hyaline membranes
F	Alveolar septal thickening with/without reactive pneumocytes
G	Lobular remodeling (smooth muscle hyperplasia, fibrosis)