Figure 2.

Steroid dose and myloperoxidase (MPO) IgG ANCA antibodies over time. The blue line represents prednisolone dose in mg daily, while the scatter plot shows MPO IgG ANCA antibodies in AU/mL. Month 0 is defined as the first admission for pulmonary hemorrhage. The first three arrows indicate the hospitalizations for acute pulmonary hemorrhage, and the last three arrows represent the infusions with CYC and RTX.