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Table 4 Prevalence of soil transmitted helminths by gender, age and urban/rural location

From: High prevalence of soil-transmitted helminth infections in Myanmar schoolchildren

 

A. lumbricoides

T. trichiura

Hookworm

Any STH

All 3 STH

 

n

Prevalence (95% CI)

n

Prevalence (95% CI)

n

Prevalence (95% CI)

n

Prevalence (95% CI)

n

Prevalence (95% CI)

KK and qPCR combined

        

Total infections

156

59.1% (53.1–65.1)

197

74.6% (69.3–79.9)

81

30.7% (25.1–36.3)

222

84.1% (79.7–88.5)

64

24.2% (19.0–29.5)

Gender

          

 Male

78

62.4% (53.7–71.1)

95

76.0% (68.3–83.7)

50

40.0% (32.0–48.0)**

104

83.2% (76.7–89.7)

43

34.4% (27.0–41.8)***

 Female

78

56.1% (47.9–64.3)

102

73.4% (66.1–80.7)

31

22.3% (14.7–29.9)

118

84.9% (78.8–91.0)

21

15.1% (8.1–22.1)

Age in years

          

 Under 11

94

62.7% (54.8–70.6)

117

78.0% (71.0–85.0)

46

30.7% (23.2–38.1)

133

88.7% (82.8–94.5)*

36

24.0% (17.1–30.9)

 11 or older

62

54.4% (45.3–63.5)

80

70.2% (62.2–78.2)

35

30.7% (22.2–39.2)

89

78.1% (71.4–84.8)

28

24.6% (16.6–32.5)

School location

          

 Urban

105

60.7% (53.3–68.1)

118

68.2% (61.8–74.6) **

45

26.0% (19.1–32.9)*

137

79.2% (73.8–84.6)**

38

22.0% (15.5–28.4)

 Rural

51

56.0% (45.9–66.2)

79

86.8% (78.0–95.6)

36

39.6% (30.1–49.0)

85

93.4% (86.0–100)

26

28.6% (19.7–37.4)

qPCR

          

Total infections

145

53.4% (47.4–59.5)

177

67.1% (61.3–72.8)

81

30.7% (25.1–36.3)

208

78.8% (73.8–83.8)

63

23.9% (18.7–29.0)

Gender

          

 Male

72

57.6% (48.8–66.4)

85

68.0% (59.7–76.3)

50

40.0% (32.0–48.0)**

97

77.6% (70.4–84.8)

42

33.6% (26.2–41.0)***

 Female

73

52.5% (44.2–60.8)

92

66.2% (58.3–74.1)

31

22.3% (14.7–29.9)

111

79.9% (73.0–86.7)

21

15.1% (8.1–22.1)

Age in years

          

 Under 11

86

57.3% (49.3–65.4)

100

66.7% (59.1–74.3)

46

30.7% (23.2–38.1)

123

82.0% (75.4–88.6)

35

23.3% (16.5–30.2)

 11 or older

59

51.8% (42.6–61.0)

77

67.5% (58.8–76.2)

35

30.7% (22.2–39.2)

85

74.6% (67.0–82.1)

28

24.6% (16.7–32.5)

School location

          

 Urban

100

57.8% (50.4–65.3)

106

61.3% (54.3–68.2) **

45

26.0% (19.1–32.9)*

130

75.1% (69.0–81.2)*

37

21.4% (15.0–27.8)

 Rural

45

49.5% (39.2–59.7)

71

78.0% (68.4–87.6)

36

39.6% (30.1–49.0)

78

85.7% (77.3–94.1)

26

28.6% (19.8–37.4)

KK only

          

Total infections

41

15.5% (11.1–19.9)

69

26.1% (20.8–31.5)

0

0%

88

33.3% (27.6–39.1)

0

0%

Gender

  

35

   

46

   

 Male

19

15.2% (8.8–21.6)

34

28.0% (20.2–35.8)

  

42

36.8% (28.5–45.1)

  

 Female

22

15.8% (9.8–21.9)

69

24.5% (17.1–31.8)

  

88

30.2% (22.3–38.1)

  

Age in years

          

 Under 11

26

17.3% (11.5–23.2)

44

29.3% (22.3–36.4)

  

53

35.3% (27.7–42.9)

  

 11 or older

15

13.2% (6.5–19.9)

25

21.9% (13.8–30.0)

  

35

30.7% (22.0–39.4)

  

School location

          

 Urban

22

12.7% (7.3–18.1)

46

26.6% (20.0–33.2)

  

54

31.2% (24.1–38.3)

  

 Rural

19

20.9% (13.4–28.3)

23

25.3% (16.2–34.4)

  

34

37.4% (27.6–47.1)

  
  1. n: Number of positive cases, 95% CI 95% confidence interval, Any STH Infection with any of the three parasites (A. lumbricoides, T. trichiura, or hookworm), All 3 STH Infection with all of the three parasites, KK Kato-Katz method; Chi-square statistics; significance: *P < 0.05; **P < 0.01; ***P < 0.001