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Biliary atresia

Compared within 1 study that had both: 30 people with biliary atresia and 10 healthy people. 3 microbes are less common in people with biliary atresia, and 4 more common.

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

Phylum

Searching opens both lists and shows only matching rows.

Less common in biliary atresia · 3

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Flavonifractor plautii in 1 study Healthy 100% biliary atresia 37%
  2. Fusicatenibacter saccharivorans in 1 study Healthy 90% biliary atresia 23%
  3. Lachnospira eligens in 1 study Healthy 70% biliary atresia 10%

More common in biliary atresia · 4

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Haemophilus haemolyticus in 1 study Healthy 0% biliary atresia 57%
  2. Enterococcus faecium in 1 study Healthy 10% biliary atresia 80%
  3. Klebsiella pneumoniae in 1 study Healthy 20% biliary atresia 90%
  4. Bifidobacterium breve in 1 study Healthy 30% biliary atresia 87%

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 China.
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 · 33 microbes

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

No meaningful difference · 33
PubMed · human studies and reviews first

Recent research

All research on it
  1. Observational Pediatric surgery international · 2025
    Postoperative gut dysbiosis in biliary atresia patients treated by portoenterostomy or liver transplantation.
    PubMed ↗
  2. Frontiers in immunology · 2021
    Association of Gut Microbiota and Metabolites With Disease Progression in Children With Biliary Atresia.
    PubMed ↗

Source: PubMed, U.S. National Library of Medicine · 2 linked papers, last 10 years