Figure 3.

Bland–Altman plots of IgM autoantibodies in sputum supernatant. Bland–Altman plots of (A) anti-aggrecan IgM; (B) anti-amyloid IgM; (C) anti-CENP-B IgM; (D) anti-collagen I IgM; (E) anti-collagen II IgM; (F) anti-collagen IV IgM; (G) anti-cytochrome C IgM; (H) anti-cytokeratin 18 IgM; (I) anti-elastin IgM; (J) anti-HSP47 IgM; (K) anti-HSP70 IgM; (L) anti-SS-B IgM; and (M) anti-vimentin IgM.

Abbreviations: CENP-B, centromere protein B; HSP47, heat shock protein 47; HSP70, heat shock protein 70; SS-B, La/Sjögren syndrome type B antigen.