Fig. 1From: Serum SP-A and KL-6 levels can predict the improvement and deterioration of patients with interstitial pneumonia with autoimmune featuresComparison of serum SP-A and KL-6 levels in Non-FLD and IPAF patients. IPAF, Interstitial pneumonia with autoimmune features; Non-FLD, Non-fibrotic lung diseases; SP-A, Surfactant protein-A; KL-6, Krebs von den Lungen-6. The data was presented as median with interquartile rangeBack to article page