Fig. 1

Study design and assessments. a Time from Ig20Gly initiation. Cohort 1 transitioned to Ig20Gly at study enrollment; Cohort 2 transitioned to Ig20Gly approximately 6 months prior to enrollment; and Cohort 3 transitioned to Ig20Gly approximately 12 months prior to enrollment. Ig20Gly, Immune Globulin Subcutaneous (Human) 20% solution; IgG, immunoglobulin G; SCIG, subcutaneous immunoglobulin