Score 0 |
A-lines |
A-lines with at most two B-lines |
Score 0* |
Not defined |
A-lines, and at most two B-lines, with a slightly irregular pleural line |
Score 1 |
An irregular or damaged pleural line along with visible vertical artefacts |
Artefacts occupy at most 50% of the pleura |
Score 1* |
Not defined |
Artefacts occupy at most 50% of the pleura and present a damaged pleural line |
Score 2 |
Broken pleural line with either small or broad consolidated areas with wide vertical artefacts below (white lung) |
Artefacts occupy more than 50% of the pleura, while consolidated areas may be visible |
Score 2* |
Not defined |
Artefacts occupy more than 50% of the pleura, while consolidated areas may be visible. The pleura is either damaged or irregular |
Score 3 |
Dense and broadly visible white lung with or without larger consolidations |
Tissue-like pattern |