Risk Factors and Adverse Events Poorly Predict Infections and Hypogammaglobulinemia in Granulomatosis with Polyangiitis Patients Receiving Rituximab

Figure 2

Principal component analysis of the five predictors during RTX maintenance. Data is standardized. values and squared of each predictor are presented in the included table. 1–29: patients’ study number; age; CYC: cyclophosphamide cumulative dose; Gpr: gram of RTX per round; Ig: total level of immunoglobulin prior rituximab; Rat: ratio CD4/CD8 prior rituximab.