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Table 2 Prevalence of helminths and intestinal protozoa infections in three settings of Azaguié district, south Côte d’Ivoire in October and November 2010

From: Intestinal parasitic infections in schoolchildren in different settings of Côte d’Ivoire: effect of diagnostic approach and implications for control

Intestinal parasite

Study settinga

Azaguié M’Bromé/Azaguié Makouguié (rural)

Abbé-Begnini (peri-urban)

Azaguié Gare (urban)

No. of infected

% (95% CI)

No. of infected

% (95% CI)

No. of infected

% (95% CI)

Helminths

      

Schistosoma mansoni

156

91.8 (87.6–95.9)

48

32.9 (25.2–40.6)

69

53.1 (44.4–61.8)

Schistosoma haematobium

111

65.3 (58.1–72.5)

6

4.1 (0.1–7.4)

1

0.8 (0–2.0)

Trichuris trichiura

96

56.5 (48.9–63.9)

10

6.9 (2.7–10.9)

20

15.4 (9.1–21.7)

Hookworm

76

44.7 (37.2–52.3)

60

41.1 (33.0–49.2)

27

20.8 (13.7-27.8)

Ascaris lumbricoides

19

11.2 (6.4–15.9)

10

6.9 (2.7–10.9)

17

13.1 (7.2–18.9)

Intestinal protozoa

      

Entamoeba coli

54

31.8 (24.7–38.8)

39

26.7 (19.5–33.9)

33

25.4 (17.8–32.9)

Endolimax nana

49

28.8 (21.9–35.7)

36

24.7 (17.6–31.7)

55

42.3 (33.7–50.9)

Blastocystis hominis

27

15.9 (10.7–22.3)

14

9.6 (4.8–14.4)

14

10.8 (5.4–16.2)

Giardia intestinalis

15

8.8 (4.5–13.1)

11

7.5 (3.2–11.9)

12

9.2 (4.2–12.3)

Chilomastix mesnili

14

8.2 (4.1–12.4)

7

4.8 (1.3–8.3)

6

4.6 (0.9–8.3)

Entamoeba histolytica/E. dispar

14

8.2 (4.1–12.4)

12

8.2 (3.7–12.7)

7

5.4 (1.5–9.3)

Iodamoeba bütschlii

9

5.3 (1.9–8.7)

8

5.5 (1.7–9.2)

10

7.7 (3.1–12.3)

Entamoeba hartmanni

5

2.9 (0.4–5.5)

8

5.5 (1.7–9.2)

9

6.9 (2.5–11.3)

  1. a n = 170 (rural setting), n = 146 (peri-urban setting), n = 130 (urban setting).
  2. Diagnosis of S. mansoni and soil-transmitted helminths were based on nine Kato-Katz thick smears (three stool samples, each subjected to triplicate Kato-Katz). Diagnosis of S. haematobium was based on three urine samples, each subjected to a single filtration. Diagnosis of intestinal protozoa was based on a single stool sample fixed in SAF that was examined with an ether-concentration technique.
  3. CI, confidence interval.