Table 2 Definition of pulmonary fibrosis score
Score | Definition |
|---|---|
0 | No fibrosis |
1 | Interlobular septal thickening; no descrete honeycoming |
2 | Honeycoming (with or without septal thickening) involving < 25% of the lobe |
3 | Honeycoming involving 25–49% of the lobe |
4 | Honeycoming involving 50–75% of the lobe |
5 | Honeycoming involving > 75 of the lobe |