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Table 2 Prevalence of anti-Wb123 IgG4 antibodies by district, age and gender and number of rounds of mass drug administration with ivermectin and albendazole

From: Assessment of the usefulness of anti-Wb123 antibody for post-elimination surveillance of lymphatic filariasis

Characteristics

Seroprevalence

p value

Total

Indeterminate

Positive

N

(%)

N

%

Region

District

 

 Savanes

Kpendjal

192

2

1.04

3

1.56

0.001

Cinkassé

96

4

4.17

4

4.17

 

Tone

288

3

1.04

17

5.90

 

 Kara

Doufelgou

302

6

1.99

20

6.62

 

Binah

264

4

1.52

9

3.41

 

Kozah

528

12

2.27

23

4.36

 

 Plateaux

Amou

416

12

2.88

24

5.77

 

Haho

296

1

0.34

7

2.36

 

Type of district

 All districts

2654

51

1.92

126

4.75

 

 All endemic districts

2382

44

1.85

107

4.49

0.062

 Bassar (Control)

272

7

2.57

19

6.99

 

Age (years)

 6

66

1

1.52

3

4.55

0.412

 7

412

3

0.73

21

5.10

 

 8

917

15

1.64

39

4.25

 

 9

1259

32

2.54

63

5.00

 

Gender

 Girls

1219

19

1.56

41

3.36

0.002

 Boys

1435

32

2.23

85

5.92

 

Number of rounds of MDA

 No MDA (non-endemic)

272

7

2.57

19

6.99

0.905

 6 rounds

528

12

2.27

23

4.36

 

 7 rounds

712

13

1.83

31

4.35

 

 8 rounds

758

12

1.58

32

4.22

 

 9 rounds

384

7

1.82

21

5.47

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