ArticleScientific reports2022
Low SARS-CoV-2 antibody titers may be associated with poor clinical outcomes for patients with severe COVID-19.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it, 15 citations in OpenAlex.
- The effect of SARS-CoV-2 double vaccination on the outcomes of hemodialysis patients with COVID-19: A meta-analysis.The Journal of infection · 2023Pooled it
- Differential Binding and Neutralising Antibody Responses Across COVID-19 Severity in a Saudi Multicentre Cohort.Viruses · 2026Article
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- Intranasal immunization with live-attenuated RSV-vectored SARS-CoV-2 vaccines elicits antigen-specific systemic and mucosal immunity and protects against viral challenge and natural infection.bioRxiv : the preprint server for biology · 2026Article
- A Probabilistic Modeling Analysis of the Longitudinal Immune Response to Infection and Vaccination Across Demographic Groups and Pulmonary Symptoms.Spora : a journal of biomathematics · 2026Article
- Article
- Antibody Avidity Maturation Following Recovery From Infection or the Booster Vaccination Grants Breadth of SARS-CoV-2 Neutralizing Capacity.The Journal of infectious diseases · 2023Article
- Article
- Infliximab and Tofacitinib Attenuate Neutralizing Antibody Responses Against SARS-CoV-2 Ancestral and Omicron Variants in Inflammatory Bowel Disease Patients After 3 Doses of COVID-19 Vaccine.Gastroenterology · 2023Article
- Longitudinal anti-SARS-CoV-2 antibody immune response in acute and convalescent patients.Frontiers in cellular and infection microbiology · 2023Article
- Age-adjusted impact of prior COVID-19 on SARS-CoV-2 mRNA vaccine response.Frontiers in immunology · 2023Article
- Clinical usefulness of testing for severe acute respiratory syndrome coronavirus 2 antibodies.European journal of internal medicine · 2023Review
- Eleven-month SARS-CoV-2 binding antibody decay, and associated factors, among mRNA vaccinees: implications for booster vaccination.Access microbiology · 2023Article
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Authors and funding
16 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recently, immune response to coronavirus disease (COVID-19) has attracted attention where an association between higher antibody titer and worsening disease severity has been reported. However, our experiences with severe COVID-19 patients with low antibody titers led to hypothesizing that suppressed humoral immune response may be associated with poorer prognosis in severe COVID19. In this study, antibody titers in severe COVID19 patients were measured at 7, 10, 12, and 14 days after onset. Patients were divided into survivors and non-survivors. SARS-CoV-2 IgM in survivors and non-survivors were 0.06 AU and 0.02 AU (P = 0.048) at 10 days, 0.1 AU and 0.03 AU (P = 0.02) at 12 days, and 0.17 AU and 0.06 AU (P = 0.02) at 14 days. IgG in survivors and non-survivors were 0.01 AU and 0.01 AU (P = 0.04) at 7 days, 0.42 AU and 0.01 AU (P = 0.04) at 12 days, and 0.42 AU and 0.01 AU (P = 0.02) at 14 days. Multivariate analysis showed better survival among patients with IgM positivity at 12 days (P = 0.04), IgG positivity at 12 days (P = 0.04), IgM positivity at 14 days (P = 0.008), and IgG positivity at 14 days (P = 0.005). In severe COVID-19, low antibody titers on days 12 and 14 after onset were associated with poorer prognosis.
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