Score | Alveolar | Interstitial |
---|---|---|
0 | No alveolar disease | No interstitial disease |
1 | GGO < 5% | Septal thickening, no honeycombing |
2 | GGO < 25% | HC/ septal thickening < 25% |
3 | GGO 25-49% | HC/septal thickening 25-49% |
4 | GGO 50-75% | HC/septal thickening 50-75% |
5 | GGO > 75% | HC/septal thickening > 75% |