| ANA | Antinuclear antibodies |
| anti-Ro | Anti–Ro/SSA antibodies |
| anti-Scl70 | Anti–topoisomerase I |
| BMI | Body mass index |
| CPK | Creatine phosphokinase |
| CRP | C-reactive protein |
| DLCO | Hemoglobin-corrected diffusing capacity of the lung for carbon monoxide |
| FEV1 | Forced expiratory volume in 1 s |
| FVC | Forced vital capacity |
| GLI | Global Lung Function Initiative |
| HRCT | High-resolution computed tomography |
| ILD | Interstitial lung disease |
| IPAF | Interstitial pneumonia with autoimmune features |
| KL-6 | Krebs von den Lungen-6 |
| mMRC | Modified Medical Research Council |
| OR | Odds ratios |
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