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IgA deficiency

Compared within 1 study that had both: 56 people with IgA deficiency and 74 healthy people. 5 microbes are less common in people with IgA deficiency, and none more common.

A difference is an association: it doesn’t mean these microbes cause, prevent or treat IgA deficiency.

Phylum

Searching opens both lists and shows only matching rows.

Less common in IgA deficiency · 5

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Clostridium sp. AF27-2AA in 1 study Healthy 82% IgA deficiency 50%
  2. Jingyaoa shaoxingensis in 1 study Healthy 39% IgA deficiency 14%
  3. Bacteroides stercoris in 1 study Healthy 68% IgA deficiency 39%
  4. Clostridiaceae bacterium Marseille-Q4145 in 1 study Healthy 80% IgA deficiency 54%
  5. Faecalibacillus intestinalis in 1 study Healthy 92% IgA deficiency 71%

More common in IgA deficiency · 0

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people

None compared.

Where these numbers come from

Studies
Only GMrepo projects that had people with the condition and healthy people, 10 or more of each. Numbers come from those studies, never from pooling.Sampled in Sweden.
How common
The share of people whose sample has any of it, in the people with the condition and in the healthy people of those same studies. Tested within studies (Cochran–Mantel–Haenszel, corrected for testing many microbes); a difference counts when it is clear and meaningful (Cohen’s h of 0.2 or more).
Strength word
Counted by code from how many studies point the same way: Seen again and again (3 or more, none clearly the other way), Seen more than once (2, the majority), Seen once (1, listed last). Where studies disagree, a row isn’t listed.
Each study
Tap a row for every study’s own numbers, and for how much carriers have.
Analysis
Our analysis of GMrepo data. GMrepo on Data sources · Read the rules

Also compared · 365 microbes

Compared within studies that had both, but not listed above.

No meaningful difference · 365
PubMed · human studies and reviews first

Recent research

All research on it
  1. Observational Gastroenterology · 2021
    Gut Microbiota Perturbation in IgA Deficiency Is Influenced by IgA-Autoantibody Status.
    PubMed ↗

Source: PubMed, U.S. National Library of Medicine · 1 linked papers, last 10 years