Table 1.

Clinical information about the patient cohort used in this study.

Control Patients
Age	Sex	Travel History	Region Biopsied	Symptoms	Additional Relevant	Serology
34	Male	N/A	Unidentified colonic region	Chronic diarrhea	None	Not tested
40	Male	2017: Australia and New Zealand	Transverse colon	None, Crohn’s surveillance	Ileocolonic Crohn’s disease	Not tested
48	Female	N/A	Unidentified colonic region	Chronic diarrhea and pain	None	Not tested
55	Female	N/A	Descending colon	Worsening ulcerative colitis symptoms over past 6 months	Left-sided ulcerative colitis	Not tested
56	Female	N/A	Descending colon	Intermittent diarrhea	None	Not tested
57	Male	N/A	Sigmoid colon	Sigmoid colitis	None	Not tested
61	Female	N/A	Rectum	Nausea, vomiting, diarrhea	Aplastic anemia, status post hematopoietic stem cell transplant	Not tested
80	Female	N/A	Unidentified colonic region	Diarrhea	None	Not tested
Schistosomiasis Patients
Age	Sex	Travel History	Region Biopsied	Symptoms	Additional Relevant	Serology
35	Female	2009: Yemen	Rectum	Chronic left flank pain, nausea and passage of tissue per rectum	Present: Chronic active gastritis 2016: H. pylori infection	Positive
51	Female	Recent travel to Philippines	Rectosigmoid colonic junction	Chronic non-bloody diarrhea	Tubular colonic adenoma and hyperplastic polyp present in same biopsy	Negative
61	Female	N/A	Ascending colon	None, presents for high-risk colon cancer surveillance	None	Not tested
66	Male	N/A	Cecum	None, colonoscopy screening	Tubulovillous adenoma present in same biopsy	Negative
70	Male	Immigrant from China	Rectum	Rectal bleeding and pain	Prior schistosomiasis infection during childhood, treated twice	Not tested
71	Female	Recent immigrant from China	Rectum	None, follow-up for prior rectal adenocarcinoma	2018: Rectal adenocarcinoma	Negative
86	Female	N/A	Rectum	None	2005 and 2010: Prior schistosomiasis infection in hepatic flexure	Not tested