ArticleAllergy, asthma & immunology research2026
COVID-19 Outcomes and Risk Factors for Hospitalization in Adult Patients With Primary Immunodeficiency.
Article in Allergy, asthma & immunology research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThe impact of coronavirus disease 2019 (COVID-19) on patients with primary immunodeficiency (PID) remains insufficiently characterized. This study aimed to describe the clinical manifestations, disease course, and outcomes of COVID-19 in patients with PID.
methodsAdult patients with PID who had COVID-19 infection between March 2020 and August 2022 were screened. Demographic and clinical data were retrospectively collected from institutional databases, and additional information was obtained through a patient questionnaire.
resultsA total of 36 patients (19 males, 17 females; median age: 36.5 years) with various PID subtypes were included: 24 with common variable immunodeficiency (CVID), 3 with cytotoxic T-lymphocyte-associated protein-4 haploinsufficiency, 3 with X-linked agammaglobulinemia (XLA), 2 with hypogammaglobulinemia, 1 with lipopolysaccharide-responsive and beige-like anchor protein deficiency, 1 with DiGeorge syndrome, 1 with mitochondrial neurogastrointestinal encephalomyopathy syndrome, and 1 with CVID-like capillary malformation-arteriovenous malformation syndrome 2. Overall, 63.9% (n = 23) were managed as outpatients, while 36.1% (n = 13) required hospitalization. Admission to the intensive care unit was required in 19.4% (n = 7) of the cases. The overall case fatality rate was 8.3% (n = 3), which is higher than the rate observed in the general population. Although the majority experienced a mild clinical course, patients with XLA exhibited prolonged symptoms and persistent seropositivity. Risk factors associated with hospitalization included lymphopenia, elevated C-reactive protein and ferritin levels, dyspnea, COVID-19 Reporting and Data System score ≥ 4 on imaging, need for supplemental oxygen, prolonged symptoms, and extended polymerase chain reaction positivity.
conclusionsA subset of adult patients with PID may be at increased risk for severe COVID-19.
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