Prevalence and subtype distribution of Blastocystis in ethnic minority groups on both sides of the China–Myanmar border, and assessment of risk factors

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Table 2

Relationship between Blastocystis carriage and gastrointestinal symptoms.

Group	No. positive/No. examined (%)
Group	Gastrointestinal symptoms^a	Diarrhea	Abdominal pain	Nausea	Emesis	Anorexia
Blastocystis-positive	6/29 (20.69)	6/29 (20.69)	2/29 (6.90)	0/29	0/29	0/29
Blastocystis-negative	92/432 (21.30)	79/432 (18.29)	38/432 (8.80)	7/432 (1.62)	12/432 (2.78)	10/432 (2.31)
OR (95% CI)	0.96 (0.38, 2.44)	1.17 (0.46, 2.96)	0.77 (0.18, 3.36)	1.02 (1.00, 1.03)	1.03 (1.01, 1.05)	1.02 (1.00, 1.04)
χ²/p value	0.01/0.94	0.10/0.75	0/0.99	–/1.00^b	–/1.00^b	–/1.00^b

Indicating people who had at least one of the five symptoms listed in the present study.

Fisher’s exact test.

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