Retrospective, Observational Chart Review Study Conducted in Poland to Document the Management and Clinical Outcome of CUVITRU and HYQVIA in Pediatric Participants (< 18 Years) With Primary Immunodeficiency (PID)

Subcutaneous Immune Globulin (SCIG 20%) and Facilitated Subcutaneous Immunoglobulin (fSCIG) Treatment in Polish Paediatric Patients With Primary Immunodeficiencies (PID) - Retrospective Medical Chart Review Study

The purpose of this observational, multi-center, retrospective cohort study is to assess treatment patterns of Cuvitru (SCIG) 20 percent (%) and HyQvia (fSCIG) in polish pediatric participants with PID. The study will collect pediatric patient data. These data are gathered and collected during routine clinical care. As this is a non-interventional/observational study, no treatment/pharmacotherapy is provided as part of the study.

Subcutaneous immune globulin (SCIG 20%) and facilitated subcutaneous immunoglobulin (fSCIG) treatment in Polish paediatric patients with primary immunodeficiencies (PID) - retrospective medical chart review study

Inclusion Criteria:

Participant eligibility is determined according to the following criteria prior to entry into the study:

• The participant or, when applicable, the participant's legally acceptable representative signs and dates a written, informed consent form and any required privacy authorization prior to the initiation of any study procedures.
• Male or female participants with PID, aged less than (<)18 years treated with SCIG 20% or fSCIG..
• Diagnosis of PID according to the criteria developed by the European Society for Immunodeficiencies (ESID) https://esid.org/About-ESID
• Treatment period for 20% SCIG ranges from November 1, 2017 until June 30, 2020, and for fSCIG from July 1, 2018 until June 30, 2020.

Exclusion Criteria:

• None