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Table 2 IgM and IgG positivity by age in children admitted to Kilifi district hospital

From: Parvovirus B19 infection and severe anaemia in Kenyan children: a retrospective case control study

Months of age

IgM positive

IgG positive

 

Cases

Controls

Overall

Cases

Controls

Overall

0-6

1/47

(2.1%)

0/40

(0%)

1/87

(1.1%)

7/43

(16.3%)

10/37

(27.0%)

17/80

(21.3%)

7-12

1/62

(1.6%)

0/68

(0%)

1/130

(0.8%)

6/57

(10.5%)

2/57

(3.5%)

8/114

(7.0%)

13-18

0/47

(0%)

2/43

(4.7%)

2/90

(2.2%)

2/39

(5.1%)

5/38

(13.2%)

7/77

(9.0%)

19-24

2/37

(5.4%)

1/32

(3.1%)

3/69

(4.3%)

6/29

(20.7%)

2/26

(7.7%)

8/55

(14.5%)

25-30

2/36

(5.6%)

0/40

(0%)

2/76

(2.6%)

6/29

(20.7%)

3/34

(8.8%)

9/63

(14.3%)

31-36

1/21

(4.8%)

0/20

(0%)

1/41

(2.4%)

1/20

(5.0%)

1/19

(5.3%)

2/39

(5.1%)

37-42

2/17

(11.8%)

0/20

(0%)

2/37

(5.4%)

4/17

(23.5%)

5/19

(26.3%)

9/36

(25%)

43-48

1/16

(6.3%)

2/12

(16.7%)

3/28

(10.7%)

3/15

(20%)

2/12

(16.7%)

5/27

(18.5%)

49-54

0/7

(0%)

0/9

(0%)

0/16

(0%)

0/6

(0%)

4/7

(57.1%)

4/13

(30.8%)

55-60

0/6

(0%)

1/5

(20%)

1/11

(9.1%)

2/5

(40%)

2/5

(40%)

4/10

(40%)

61-66

1/12

(8.3%)

0/10

(0%)

1/22

(4.5%)

4/12

(33.3%)

1/9

(11.1%)

5/21

(23.8%)

Total

11/308

(3.6%)

6/299

(2.0%)

17/607

(2.8%)

41/272

(15.1%)

37/263

(14.1%)

78/535

(14.6%)

  1. Data.from samples collected in 1999-2004, including unpaired samples.