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| Time interval between diagnosis and operation (yr) | Boy + girl | Boy | Girl |
|---|---|---|---|
| 0–1 | 762 (67.6) | 352 (69.3) | 410 (66.1) |
| 1–2 | 141 (12.5) | 63 (12.4) | 78 (12.6) |
| 2–3 | 56 (5.0) | 22 (4.3) | 34 (5.5) |
| 3–4 | 51 (4.5) | 25 (4.9) | 26 (4.2) |
| 4–5 | 48 (4.3) | 19 (3.7) | 29 (4.7) |
| 5–6 | 43 (3.8) | 14 (2.8) | 29 (4.7) |
| 6–7 | 21 (1.9) | 8 (1.6) | 13 (2.1) |
| 7–8 | 4 (0.4) | 3 (0.6) | 1 (0.2) |
| 8–9 | 2 (0.2) | 2 (0.4) | 0 |
| 9–10 | 0 | 0 | 0 |
| Total | 1,128 (100) | 508 (100) | 620 (100) |
Values are presented as number (%).
