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The distribution of samples in the three age groups, depending on prophylactic doses of cholecalciferol.
| Doses of cholecalciferol, IU | Studies numbers in children 0–3 y.o., n (%) | Studies numbers in children 4–10 y.o., n (%) | Studies numbers in children 11–18 y.o., n (%) |
|---|---|---|---|
| 0 | 26 (24.3) | 87 (44.8) | 93 (64.8) |
| 1–1,000 | 54 (50.5) | 60 (30.9) | 35 (24.1) |
| 1,001–1,500 | 18 (16.8) | 34 (17.5) | 9 (6.2) |
| ≥1,500 | 9 (8.4) | 13 (6.7) | 7 (4.8) |
