Fig. 1
From: Inborn errors of immunity (primary immunodeficiencies)
Results from the 2023 IDF national survey: Age of diagnosis with PI/IEI (n = 1166) [37]. IDF, Immune Deficiency Foundation; IEI, inborn errors of immunity; PID, primary immunodeficiencies. Figure courtesy of the Immune Deficiency Foundation (IDF). Figure is from the IDF 2023 National Patient Survey interactive report results available at: https://primaryimmune.org/advancing-pi-research-and-clinical-care/idf-surveys/2023-national-patient-survey Accessed November 19, 2024