Evidence map›Paper›PMID 32224206›Full record

ArticleAnnals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology2020

Immunoglobulin G and immunoglobulin G subclass concentrations differ according to sex and race.

Tyler Harkness, Xiaoqing Fu, Yuqing Zhang, Hyon K Choi, John H Stone, Kimberly G Blumenthal, Zachary S Wallace

Open access · greenAbstract read
In one paragraph

Article in Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
1.7field-weighted citation impact, top 15% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

25 citing papers in PubMed, 37 citations in OpenAlex.

  1. Magnitude and durability of ProC6C-AlOH/Matrix-MHuman vaccines & immunotherapeutics · 2025
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  10. IgG4-related disease for the hematologist.Hematology. American Society of Hematology. Education Program · 2024
    Review
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  16. Plasma IgG aggregates as biomarkers for multiple sclerosis.Clinical immunology (Orlando, Fla.) · 2023
    Article
  17. Article
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  19. Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

Tyler HarknessClinical Epidemiology Program, Mongan Institute, Massachusetts General Hospital, Boston, Massachusetts; Rheumatology Unit, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, Massachusetts; Allergy and Clinical Immunology Unit, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, Massachusetts; Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, Massachusetts.
Xiaoqing FuClinical Epidemiology Program, Mongan Institute, Massachusetts General Hospital, Boston, Massachusetts; Rheumatology Unit, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, Massachusetts; Allergy and Clinical Immunology Unit, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, Massachusetts.
Yuqing ZhangClinical Epidemiology Program, Mongan Institute, Massachusetts General Hospital, Boston, Massachusetts; Rheumatology Unit, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, Massachusetts.
Hyon K ChoiClinical Epidemiology Program, Mongan Institute, Massachusetts General Hospital, Boston, Massachusetts; Rheumatology Unit, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.
John H StoneClinical Epidemiology Program, Mongan Institute, Massachusetts General Hospital, Boston, Massachusetts; Rheumatology Unit, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.
Kimberly G BlumenthalClinical Epidemiology Program, Mongan Institute, Massachusetts General Hospital, Boston, Massachusetts; Allergy and Clinical Immunology Unit, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, Massachusetts; Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.
Zachary S WallaceClinical Epidemiology Program, Mongan Institute, Massachusetts General Hospital, Boston, Massachusetts; Rheumatology Unit, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts. Electronic address: zswallace@mgh.harvard.edu.
Massachusetts General Hospital · USHarvard University · US

Funding

Targeting T cell Subsets in Autoimmune DiseaseUM1AI144295 · NIAID · MASSACHUSETTS GENERAL HOSPITAL · PI John H Stone · 2019 to 2026
$1.4M
Impact of ANCA Type and Rituximab vs. Cyclophosphamide on Cardiovascular Risk, Mortality, and Quality-Adjusted Life Years inANCA-Associated VasculitisK23AR073334 · NIAMS · MASSACHUSETTS GENERAL HOSPITAL · PI WALLACE, ZACHARY SCOTT · 2018 to 2022
$948k
NIAID NIH HHS UM1 AI144295NIAMS NIH HHS K23 AR073334NIAMS NIH HHS L30 AR070520
6 · The paper itself

Abstract

backgroundSerum immunoglobulin G (IgG) concentrations are integral to the workup of immune deficiencies and IgG4-related disease (IgG4-RD). Demographic differences in IgG concentrations are poorly described but can influence test interpretation, contribute to racial disparities in primary immunodeficiency diagnosis, and explain demographic differences in IgG concentrations in IgG4-RD.

objectiveTo assess differences in IgG and IgG subclass concentrations according to sex and race.

methodsWe identified patients with IgG and IgG subclass concentrations measured in a large health care system. Multivariate-adjusted differences in IgG and IgG subclass concentrations and the proportion of subjects with results outside of reference ranges according to sex and race were estimated.

resultsOf the 12,851 patients, the mean age was 54.7 years and 7917 (62%) were female. Of these, 11,673 (91%) were white, 611 (5%) were black, and 302 (2%) were Asian. Compared with the mean concentrations of white patients, Asian and black patients had higher mean concentrations of IgG (1340.0 and 1504.4 vs 988.1 mg/dL, P < .001), IgG1 (782.0 and 938.4 vs 592.4 mg/dL, P < .001), IgG2 (493.5 and 384.2 vs 305 mg/dL, P < .001), IgG3 (76.6 and 91.9 vs 55.9 mg/dL, P < .001), and IgG4 (140.4 and 53.6 vs 41.6 mg/dL, P < .001). Immunoglobin G subclass 4 concentrations were higher in males than those in females (56.3 vs 37.4 mg/dL, P < .001). Similar observations were made when comparing the proportions of patients with results outside of reference ranges and after stratifying by diagnosis.

conclusionImmunoglobin G and IgG subclass concentrations differ according to sex and race. These findings may have implications for the interpretation of these test results but require confirmation in diverse, healthy populations.

Indexed as

Race FactorsSex FactorsAdultAgedAged, 80 and overCohort StudiesEnzyme-Linked Immunosorbent AssayFemaleHumansIgG DeficiencyImmunoglobulin GImmunoglobulin G4-Related DiseaseImmunoglobulin IsotypesMaleMiddle AgedImmunoglobulin GImmunoglobulin Isotypes

Identifiers

PMID32224206
PMCPMC7387162
OpenAlexW3012964959

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.