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| Case n (%) | Control n (%) | |
|---|---|---|
| Age (years): | ||
| <1 | 2 (2.44) | 17 (9.88) |
| 1 to 6 | 14 (17.07) | 34 (19.77) |
| 7 to 11 | 22 (26.83) | 44 (25.58) |
| 12 to 17 | 24 (29.27) | 28 (16.28) |
| 18 to 23 | 11 (13.41) | 18 (10.47) |
| 24 to 29 | 5 (6.10) | 4 (2.33) |
| 29 and more | 1 (1.22) | 5 (2.91) |
| Unknown | 3 (3.66) | 22 (12.79) |
| Sex: | ||
| Male | 9 (10.97) | 26 (15.11) |
| Female | 39 (47.56) | 65 (37.79) |
| Male neutered | 28 (34.14) | 64 (37.20) |
| Unknown | 6 (7.31) | 17 (9.88) |
