Table 4. Correlation between the prevalence of CCA test and the intensities of S. mansoni infections.

Diagnostic test	Intensity of S. mansoni	Setting A	Setting B	Setting C	All Settings A-B-C
		% positive (95% CI)	% positive (95% CI)	% positive (95% CI)	% positive (95% CI)
Three CCA	Negative	45.5 (35.1–55.9)	65.2 (54.0–76.5)	69.0 (59.2–78.7)	59.4 (53.3–65.6)
	Low	76.5 (56.3–96.6)	71.4 (58.8–84.1)	91.8 (84.9–98.7)	81.9 (75.2–88.6)
	Moderate	100	97.3 (92.1–100)	97.1 (91.6–100)	97.5 (94.2–100)
	Heavy	100	98.9 (96.7–100)	100	99.4 (98.3–100)
One CCA (urine day 1)	Negative	35.2 (25.2–45.2)	37.7 (26.2–49.1)	42.5 (32.1–52.9)	38.5 (32.4–44.6)
	Low	84.7 (42.0–87.4)	50.0 (37.0–65.0)	75.4 (64.6–86.2)	64.6(56.2–72.9)
	Moderate	77.8 (50.6–100)	91.9 (83.1–100)	94.3 (86.6–100)	91.4 (85.2–97.5)
	Heavy	95.8 (87.8–100)	95.6 (91.3–99.8)	96.6 (92.0–100)	96.0 (93.0–98.9)
One CCA-L (urine day 1)	Negative	0	08.7 (2.1–15.4)	08.0 (2.3–13.8)	5.3 (2.5–8.1)
	Low	17.6 (00–35.8)	16.3 (6.0–26.7)	23.0 (12.4–35.5)	19.7 (12.8–26.6)
	Moderate	33.3 (2.5–64.1)	73.0 (58.7–87.3)	57.1 (40.7–73.5)	39.4 (30.9–47.9)
	Heavy	70.8 (52.6–89.0)	95.6 (91.3–99.8)	88.1 (79.9–96.4)	89.6 (85.0–94.1)