Demographic characteristics of patients with granulocyte–macrophage colony-stimulating factor autoantibody (GMAb) >1.65 U·mL−1
| Case | Age years | Sex | Diagnosis | GMAb U·mL−1 | Anti-MDA-5 Ab | Anti-ARS Ab |
| 1 | 63 | M | sPAP (MDS) | 1.90 | Negative | Negative |
| 2 | 76 | F | IIPs | 2.56 | Negative | Negative |
| 3 | 75 | M | CTD | 48.57 | Negative | Negative |
| 4 | 68 | M | CTD | 2.85 | Negative | Negative |
| 5 | 73 | F | IIPs | 2.85 | Negative | Negative |
MDA: melanoma differentiation-associated protein; Ab: antibody; ARS: aminoacyl transfer RNA synthetase; M: male; F: female; sPAP: secondary pulmonary alveolar proteinosis; MDS: myelodysplastic syndrome; IIP: idiopathic interstitial pneumonia; CTD: connective tissue disease.