Volume 10, Number 7—July 2004
Research
Sporadic Cryptosporidiosis Case-Control Study with Genotyping
Paul R. Hunter*
, Sara Hughes†, Sarah Woodhouse†, Qutub Syed†, Neville Q. Verlander‡, Rachel M. Chalmers§, Kenton L. Morgan¶, Gordon Nichols†, Nick Beeching#, and Keith Osborn**
, Sara Hughes†, Sarah Woodhouse†, Qutub Syed†, Neville Q. Verlander‡, Rachel M. Chalmers§, Kenton L. Morgan¶, Gordon Nichols†, Nick Beeching#, and Keith Osborn**
Table 1
Age distribution of controls and case-patients
| Age group, y | Control n (%) | All cases n (%) | C. hominis n (%) | C. parvum n (%) |
|---|---|---|---|---|
| 0–4 |
98 (24.6) |
118 (27.7) |
23 (20.0) |
25 (32.9) |
| 5–9 |
69 (17.3) |
73 (17.1) |
17 (14.8) |
14 (18.4) |
| 10–14 |
53 (13.3) |
33 (7.7) |
7 (6.1) |
6 (7.9) |
| 15–19 |
12 (3.0) |
24 (5.6) |
7 (6.1) |
8 (10.5) |
| 20–24 |
6 (1.5) |
21 (4.9) |
10 (8.7) |
5 (6.6) |
| 25–29 |
11 (2.8) |
29 (6.8) |
11 (9.6) |
5 (6.6) |
| 30–34 |
6 (1.5) |
35 (8.2) |
14 (12.2) |
5 (6.6) |
| 35–39 |
20 (5.0) |
23 (5.4) |
10 (8.7) |
1 (1.3) |
| 40–44 |
21 (5.3) |
16 (3.8) |
1 (0.9) |
1 (1.3) |
| 45–49 |
26 (6.5) |
9 (2.1) |
2 (1.7) |
1 (1.3) |
| 50–54 |
15 (3.8) |
9 (2.1) |
0 |
0 |
| 55–59 |
17 (4.3) |
11 (2.6) |
4 (3.5) |
4 (5.3) |
| 60–64 |
13 (3.3) |
5 (1.2) |
4 (3.5) |
0 (0.0) |
| 65–69 |
12 (3.0) |
10 (2.3) |
1 (0.9) |
0 (0.0) |
| 70–74 |
9 (2.3) |
4 (0.9) |
2 (1.7) |
1 (1.3) |
| 75–79 |
7 (1.8) |
1 (0.2) |
0 |
0 |
| 80–84 |
1 (0.3) |
2 (0.5) |
1 (0.9) |
0 |
| 85–90 | 2 (0.5) | 3 (0.7) | 1 (0.9) | 0 |
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