Research article Open access
Selective Immunoglobulin A Deficiency Among Omani Patients Screened for Celiac Disease: A Cross-sectional Study
Objectives: Selective immunoglobulin A deficiency (SIgAD) is characterized by an isolated deficiency of serum IgA while immunoglobulin G (IgG) and immunoglobulin M (IgM) levels remain normal. Symptoms range from asymptomatic to recurrent infections. We aimed to determine the prevalence of IgAD and SIgAD among Omani pat …