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%) |