Table 1 The ILD-GAP model, reproduced from Ryerson et al. [11]
Predictor | Points | |
|---|---|---|
ILD | ILD Subtype | |
• Idiopathic pulmonary fibrosis | 0 | |
• Unclassifiable ILD | 0 | |
• Connective tissue-ILD / idiopathic non-specific interstitial pneumonia | −2 | |
• Chronic hypersensitivity pneumonitis | −2 | |
G | Gender | |
• Female | 0 | |
• Male | 1 | |
A | Age | |
• ≤ 60 | 0 | |
• 61–65 | 1 | |
• > 65 | 2 | |
P | Physiology | |
FVC, % predicted | ||
• > 75% | 0 | |
• 50–75% | 1 | |
• < 50% | 2 | |
DLCO, % predicted | ||
• > 55% | 0 | |
• 36–55% | 1 | |
• ≤ 35% | 2 | |
• Cannot perform | 3 | |
Total Possible Points | 8 | |