Clinical and Pathologic Factors Associated With Colonic Spirochete (Brachyspira pilosicoli and Brachyspira aalborgi) Infection: A Comprehensive Systematic Review and Pooled Analysis.

In addition, those infected with B aalborgi were numerically more likely to be male, be from North America, have abdominal pain, have an abnormal colonoscopy, have colonic polyps or colorectal cancer, have increased lymphocytes (on histology), and have pathologies in their sigmoid colon or rectum, but these associations did not reach statistical significance.

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