Table 1.
Average ratings of the maturity parameters according to raters’ level of experience
| Maturity index | Overall (n = 114) | Boys (n = 42) | Girls (n = 72) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Experienced | Intermediate | Beginner | Experienced | Intermediate | Beginner | Experienced | Intermediate | Beginner | |
| Skeletal age, years, mean ± SD | |||||||||
| Olecranon | 13.3 ± 1.1 | 13.3 ± 1.0 | 13.3 ± 1.1 | 14.4 ± 0.7 | 14.4 ± 0.7 | 14.3 ± 0.7 | 12.6 ± 0.6 | 12.6 ± 0.5 | 12.6 ± 0.6 |
| Median grade, minimum to maximum, range | |||||||||
| Olecranon with coded grading | 5 1–5, 4 |
5 1–5, 4 |
5 1–5, 4 |
4 1–5, 4 |
4 1–5, 4 |
4 1–5, 4 |
5 1–5, 4 |
5 1–5, 4 |
5 1–5, 4 |
| Simplified digital method | 5 1–8, 7 |
5 1–8, 7 |
6 1–8, 7 |
4 1–8, 7 |
4 1–8, 7 |
6 1–8, 7 |
5 1–8, 7 |
6 1–8, 7 |
6 1–8, 7 |
| DRU classification | |||||||||
| Radius grade | 8 4–11, 7 |
8 4–11, 7 |
8 4–11, 7 |
7 5–11, 6 |
8 4–11, 7 |
8 5–11, 6 |
8 4–11, 7 |
8 4–11, 7 |
9 4–11, 7 |
| Ulnar grade | 6 3–9, 6 |
7 4–9, 5 |
7 3–9, 6 |
6 4–9, 5 |
6 4–9, 5 |
7 3–9, 6 |
6 3–9, 6 |
7 4–9, 5 |
7 4–9, 5 |
DRU, distal radius and ulna; SD: standard deviation.