Table 1. Prevalence of protozoa assessed by PCR in each biogeographical region.

Regions	n	G. intestinalis	Blastocystis	Cryptosporidium spp.	E. dispar	E. moshkovskii
Amazon	100	60.0%	49.0%	5.0%	0%	0%
		(n = 60)	(n = 49)	(n = 5)
		95% CI [56.2–74.9]	95% CI [48.7–68.1]	95% CI [1.1–10.2]
Andean	200	68.0%	58.0%	5.5%	0%	0%
		(n = 136)	(n = 116)	(n = 11)
		95% CI [64.8–77.4]	95% CI [53.6–67.2]	95% CI [2.03–8.1]
Caribbean	38	89.5%	94.7%	10.5%	13.1%	2.6%
		(n = 34)	(n = 36)	(n = 4)	(n = 5)	(n = 1)
		95% CI [83.1–100.69]	95% CI [92.1–102.5]	95% CI [0.8–20.8]	95% CI [2.5–24.5]	95% CI [−1.9 to 12.7]
Orinoco	53	43.4%	66.0%	0%	7.5%	0%
		(n = 23)	(n = 35)		(n = 4)
		95% CI [29.9–56.1]	95% CI [61.5–70.5]		95% CI [−1.6 to 15.6]
Pacific	258	10.5%	38.76%	9.70%	0%	0.39%
		(n = 27)	(n = 100)	(n = 25)		(n = 1)
		95% CI [6.8–14.3]	95% CI [33.2–45.2]	95% CI [6.2–13.4]		95% CI [−0.4 to 1.2]

Note:

n, number of samples; 95% CI, 95% confidence interval.