Bony depressions in 84 healthy children (43 boys) as assessed by a T1-weighted Fast Spin Echo sequence
| Mean (SD) number of bony depressions | |||||
|---|---|---|---|---|---|
| 6–7 years (n=20) | 8–9 years (n=21) | 10–11 years (n=20) | 12–15 years (n=23) | p Value* | |
| Total | 4.0 (2.5) | 6.1 (2.8) | 6.9 (2.1) | 9.2 (3.0) | <0.001 |
| Trapezium/oid | 0.0 (0.0) | 0.7 (0.9) | 0.6 (0.8) | 1.0 (0.9) | 0.001 |
| Scaphoid | 0.4 (0.8) | 0.4 (0.8) | 0.8 (1.0) | 1.3 (0.6) | 0.001 |
| Lunate | 0.4 (0.7) | 0.4 (0.8) | 0.5 (0.6) | 1.4 (1.0) | <0.001 |
| Capitate | 2.5 (1.2) | 3.4 (1.2) | 3.3 (1.2) | 3.3 (1.1) | 0.044 |
| Hamate | 0.6 (1.2) | 0.8 (1.0) | 1.0 (1.0) | 1.1 (1.1) | 0.391 |
| Triquetrum | 0.3 (0.4) | 0.4 (0.5) | 0.6 (0.7) | 1.0 (1.0) | 0.001 |
↵* One-way between-group analysis of variance with post hoc tests performed for the total score only (see text).