Table 1.

Clinical characteristics of the cases and detected lesions

Age (yr)	Gender	Symptoms	Duration	Dermatitis	Occupation	Location of The hookworm	Hemoglobin (g/L)	RBC	Eosinophilic cells ratio	Fecal occult blood test	Times of testing eggs/positive	Endoscopic appearance
												EGD	Colonoscopy	DBE	CE
59	F	Tarry stool	2 months	No	Farmer	Jejunum upper part	42	1.37×1012/L	2.5%	Positive	1/No	Chronic superficial antral gastritis	Multiple colonic polyps	_	Intestinal hookworm disease
68	F	Tarry stool	5 years	No	Resident	Jejunum upper part	57	2.32×1012/L	9.6%	Positive	1/No	Superficial duodenitis	_	_	Intestinal hookworm disease
57	F	Anemia	3 months	No	Farmer	Jejunum upper part	88	2.89×1012/L	0.7%	Positive	1/Yes	Normal	Normal	Normal	Intestinal hookworm disease
63	F	Tarry stool	10 years	No	Famer	Small intestine upper part	63	2.04×1012/L	0.31%	Positive	2/Yes	Superficial antral gastritis	_	_	Intestinal hookworm disease
63	F	Tarry stool	1 months	No	Farmer	Jejunum upper part	86	2.88×1012/L	_	Positive	2/Yes	Chronic superficial gastritis	Multiple colonic polyps	_	Intestinal hookworm disease
79	M	Tarry stool	4 years	No	Resident	Jejunum upper part	54	2.13×1012/L	23.8%	Positive	1/No	Esophagitis	Colonic varices	_	Intestinal hookworm disease
40	M	Tarry stool	7 months	No	Farmer	Jejunum upper part	57	2.79×1012/L	33.8%	Positive	1/Yes	Duodenitis Chronic superficial antral gastritis	prortopolypus	_	Enteritis Intestinal hookworm disease
66	F	Tarry stool	5 months	Yes	Farmer	Duodenum Jejunum	73	2.8×1012/L	14.9%	Negative	2/No	Chronic superficial gastritis	Normal	_	Intestinal hookworm disease
20	F	hemafecia	1 day	Yes	Resident	Duodenum	145	4.91×1012/L	0.03%	Positive	2/No	Antral gastritis	_	_	Duodenum hookworm disease
59	F	Tarry stool	15 days	No	Farmer	Jejunum ileum	89	3.77×1012/L	17.9%	Negative	_	Chronic antral gastritis	Normal	_	Intestinal hookworm disease
80	M	Tarry stool	6 days	Yes	Resident	Jejunum	72	2.31×1012/L	4.0%	Positive	2/Yes	Chronic antral gastritis	Colonic polyp	_	Jejunal hookworm disease
71	F	Tarry stool	15 days	No	Resident	Jejunum upper part	51	2.05×1012/L	0.6%	Positive	1/No	Chronic antral gastritis	Lower gastrointestinal hemorrhage, enteritis	_	Jejunal hookworm disease
65	M	Tarry stool	3 years	Yes	Farmer	Duodenum	63	3.0×1012/L	6%	Positive	1/Yes	Duodenum hookworm disease	Normal	_	Intestinal hookworm disease Enteritis
45	M	Tarry stool	9 days	No	Farmer	Duodenum, Jejunum	76	2.59×1012/L	7.8%	Negative	_	Chronic gastritis	Normal	_	Intestinal hookworm disease Duodenitis, Jeiunitis
36	F	Abdominal distention	4 years	No	Farmer	Jejunum	120	4.05×1012/L	5.9%	Positive	2/No	Chronic antral gastritis	Normal	Jejunal hookworm disease Jejunal polyp	_
59	F	Hemafecia	6 months	No	Farmer	Jejunum Lower part	60	2.54×1012/L	14.9%	Positive	2/No	Chronic gastritis	Normal	Jejunal hookworm disease	_
40	F	Tarry stool	20 months	No	Farmer	Jejunum median part	51	2.25×1012/L	0.5%	Negative	1/No	Normal	Normal	Jejunal hookworm disease colonic polyp	_
46	M	Tarry stool	2 years	No	Farmer	Jejunum upper part	106	4.22×1012/L	12%	Positive	1/No	Chronic gastritis	Normal	Jejunal hookworm disease	_
38	M	Tarry stool	6 days	No	Resident	Jejunum median part	49	2.15×1012/L	0.7%	Positive	1/No	Normal	Normal	Jejunal hookworm disease	_
57	M	Tarry stool	15 days	No	Resident	Jejunum upper part	56	2.26×1012/L	_	Positive	2/No	_	_	_	Intestinal hookworm disease
58	F	hemafecia	4 years	No	Farmer	Jejunum	53	2.22×1012/L	3.8%	Positive	1/No	Chronic gastritis	Normal	Intestinal hookworm disease	_
54	M	Tarry stool	5 years	No	Resident	Jejunum upper part	62	2.94×1012/L	_	Positive	1/No	Chronic gastritis	_	Intestinal hookworm disease	_
61	M	Tarry stool	3 months	No	Farmer	Jejunum lower part	34	1.95×1012/L	_	Positive	1/No	Normal	Normal	Jejunal hookworm disease	_
26	M	Tarry stool	2 months	No	Farmer	Jejunum	43	2.69×1012/L	_	Positive	1/No	Chronic gastritis	Colonic polyp	Jejunal hookworm disease	_
46	M	hemafecia	2 years	No	Farmer	Duodenum, Jejunum	86	4.91×1012/L	0.32%	Positive	1/No	Normal	_	Intestinal hookworm disease	_
52	M	Tarry stool	5 years	No	Resident	Jejunum upper part	56	1.56×1012/L	_	Positive	2/No	_	_	_	Intestinal hookworm disease
58	F	hemafecia	1years	No	Farmer	Jejunum	74	3.21×1012/L	2.8%	Positive	1/No	Chronic gastritis	Normal	_	Intestinal hookworm disease
54	M	Tarry stool	2 years	No	Resident	Jejunum upper part	68	3.34×1012/L	_	Positive	2/No	Chronic gastritis	_	Intestinal hookworm disease	_
62	F	Tarry stool	2 months	Yes	Farmer	Jejunum lower part	60	2.91×1012/L	_	Positive	1/No	Normal	Normal	Jejunal hookworm disease	_
34	F	Tarry stool	3 months	No	Farmer	Jejunum	63	2.39×1012/L	_	Positive	1/No	Chronic gastritis	Colonic polyp	Jejunal hookworm disease	_
58	F	hemafecia	2 years	No	Farmer	Duodenum, Jejunum	72	3.71×1012/L	0.15%	Positive	3/No	Normal	_	Intestinal hookworm disease	_

Location of the hookworm, the place for the first time found hookworm; hemoglobin, hemoglobin values for the first time; EGD, esophagogastroduodenoscopy; CE, capsule endoscopy; DBE, double balloon enteroscopy; -, not tested.