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Table 3 Positives stratified by age for Kato-Katz, qPCR and CCA, for each community: Tomefa, Torgahkope/Adakope and Manheam. For all test assays; n represents the total number of participants; Pos = number positive; and (Prev; 95% CI) = prevalence with 95% confidence interval

From: Detecting Schistosoma mansoni infections among pre-school-aged children in southern Ghana: a diagnostic comparison of urine-CCA, real-time PCR and Kato-Katz assays

Age

Kato-Katz

PCR

CCAa

CCAb

n

Pos (Prev; 95% CI)

n

Pos (Prev; 95% CI)

n

Pos (Prev; 95% CI)

n

Pos (Prev; 95% CI)

Tomefa

 0–1

2

0

2

0

3

3 (100; 29.9–100)

3

2 (66.7; 9.4–99.2)

 2–3

42

24 (57.1; 41–72.3)

35

13 (37.1; 21.5–55.1)

42

37 (88.1; 74.4–96)

42

24 (57.1; 41–72.3)

 4–5

13

9 (69.2; 38.6–90.9)

11

6 (54.5; 23.4–83.3)

13

12 (92.3; 64–99.8)

13

7 (53.8; 25.1–80.8)

Torgahkope/Adakope

 0–1

1

0

1

0

1

1 (100; 2.5–100)

1

0

 2–3

37

6 (16.2; 6.2–32)

28

5 (17.9; 6.1–36.9)

37

32 (86.5; 71.2–95.5)

37

6 (16.2; 6.2–32)

 4–5

19

2 (10.5; 1.3–33.1)

14

2 (14.3; 1.8–42.8)

19

17 (89.5; 66.9–98.7)

19

2 (10.5; 1.3–33.1)

Manheam

 0–1

3

0

3

1 (33.3; 0.8–90.6)

3

3 (100; 29.2–100)

3

2 (66.7; 9.4–99.2)

 2–3

34

2 (5.9; 0.7–19.7)

32

3 (9.4; 2–25)

34

28 (82.4; 65.5–93.2)

34

6 (17.6; 6.8–34.5)

 4–5

24

2 (8.3; 1–27)

22

4 (18.2; 5.2–40.3)

25

19 (76; 54.9–90.6)

25

7 (28; 12.1–49.4)

  1. aWith light/trace results
  2. bWithout light/trace result