Prevalence and Genetic Identification of Three Entamoeba Species in Pigs in Southeastern China

Table 1

Occurrence of Entamoeba infection in pigs in Fujian Province, southeastern China.

Location (s)	Samples (N)	E. histolytica		E. suis		E. polecki ST1		E. polecki ST3		E. polecki ST1 + E. polecki ST3		E. polecki ST1 + E. suis		E. polecki ST3 + E. suis		E. polecki ST1 + E. polecki ST3 + E. suis		Total
		n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n^a	Prevalence (%)
			95% CI		95% CI		95% CI		95% CI		95% CI		95% CI		95% CI		95% CI		95% CI
Sanming	118	0	0	1	0.9	80	67.8	71	60.2	60	50.8	0	0	0	0	0	0	92	78.0
			NA		NA		59.2–76.4		51.2–69.1		41.7–60.0		NA		NA		NA		70.4–85.6
Zhangzhou	81	0	0	15	18.5	69	85.2	36	44.4	35	43.2	7	8.6	0	0	8	9.9	70	86.4
			NA		9.9–27.2		77.3–93.1		33.4–55.5		32.2–54.2		2.4–14.9		NA		3.2–16.5		78.8–94.0
Nanping	120	0	0	32	26.7	74	61.7	36	30.0	31	25.8	17	14.2	1	0.8	10	8.3	83	69.2
			NA		18.6–34.7		52.8–70.5		21.7–38.3		17.9–33.8		7.8–20.5		NA		3.3–13.4		60.8–77.5
Fuqing	121	0	0	9	7.4	67	55.4	64	52.9	57	47.1	1	0.8	1	0.8	7	5.8	74	61.2
			NA		2.7–12.2		46.4–64.4		43.9–61.9		38.1–56.1		NA		NA		1.6–10.0		52.3–70.0
Putian	139	0	0	16	11.5	5	3.6	14	10.1	5	3.6	0	0	0	0	0	0	30	21.6
			NA		6.1–16.9		0.5–6.7		5.0–15.1		0.5–6.7		NA		NA		NA		14.7–28.5
Longyan	89	0	0	14	15.7	7	7.9	7	7.9	5	5.6	0	0	0	0	2	2.3	21	23.6
			NA		8.0–23.4		2.2–13.6		2.2–13.6		0.7–10.5		NA		NA		NA		14.6–32.6
Total	668	0	0	87	13.0	302	45.2	228	34.1	168	25.1	25	3.7	2	0.3	27	4.0	370	55.4
			NA		10.5–15.6		41.4–49.0		30.5–37.7		21.9–28.4		2.3–5.2		NA		2.5–5.5		51.6–59.2

N: number of samples examined; n: number of positive samples; ^aincluding multiple infections; 95% CI: 95% confidence interval; NA: not applicable.