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 |