Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) and (b). Effect of IgG trough level (mg/dl) on infection incidence per patient-year in SCIG and IVIG groups. Each data point corresponds to a single observation period in a patient group of an included study. Abbreviations, C, 95% confidence interval; IVIG, intravenous immunoglobulin; SCIG, subcutaneous immunoglobulin
