| Cases | Controls | Total |
---|---|---|---|
Gender | |||
 Male | 35 (42%) | 127 (39%) | 162 |
 Female | 48 (58%) | 197 (61%) | 245 |
Age at exposure | |||
 < 1 y | 9 (11%) | 73 (22.5%) | 82 |
 1–1.9 y | 14 (17%) | 46 (14%) | 60 |
 2–2.9 y | 9 (11%) | 40 (12%) | 49 |
 3–3.9 y | 17 (20%) | 40 (12%) | 57 |
 4–4.9 y | 9 (11%) | 43 (13%) | 52 |
 5–5.9 y | 4 (5%) | 18 (5.5%) | 22 |
 6–9 y | 13 (15%) | 35 (11%) | 48 |
 10–14 y | 8 (10%) | 29 (10%) | 37 |
Age at diagnosis | |||
 < 11.5 y | 24 (29%) | 119 (37%) | 143 |
 11.5–14.9 y | 33 (40%) | 120 (37%) | 153 |
 15+ y | 26 (31%) | 85 (26%) | 111 |