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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.