Table 2.
Distribution of fractures according to segment and type within bones. Values are n (%)
| Infants/ | Pre-school | School | ||||
|---|---|---|---|---|---|---|
| Bone | Type | toddlers | children | children | Adolescents | Total |
| Humerus (1) | 25 | 227 | 243 | 107 | 602 | |
| Proximal | E | 0 | 3 | 7 | 18 | 28 |
| M | 2 | 14 | 31 | 30 | 77 | |
| Shaft | D | 2 | 10 | 4 | 13 | 29 |
| M | 19 | 156 | 168 | 23 | 366 | |
| Distal | E | 2 | 43 | 30 | 22 | 97 |
| Multilevela | 0 | 1 | 3 | 1 | 5 | |
| Radius/Ulna (2) | 74 | 364 | 735 | 517 | 1,690 | |
| Radius | 35 (47) | 120 (33) | 430 (59) | 273 (53) | 858 (51) | |
| Proximal | E | 0 | 2 | 11 | 5 | 18 |
| M | 1 | 1 | 20 | 11 | 33 | |
| Shaft | D | 2 | 10 | 14 | 7 | 33 |
| M | 32 | 106 | 351 | 200 | 689 | |
| Distal | E | 0 | 1 | 34 | 50 | 85 |
| Ulna | 4 (5) | 41 (11) | 30 (4) | 24 (5) | 99 (6) | |
| Proximal | E | 0 | 0 | 0 | 0 | 0 |
| M | 1 | 25 | 9 | 14 | 49 | |
| Shaft | D | 0 | 16 | 17 | 5 | 38 |
| M | 3 | 0 | 4 | 4 | 11 | |
| Distal | E | 0 | 0 | 0 | 1 | 1 |
| Combined | 35 (47) | 203 (56)b | 275 (37)c | 220 (43)d | 733 (44) | |
| Total | 99 | 591 | 978 | 624 | 2,292 |
D: diaphysis; E: epiphysis; M: metaphysis.
a
All 5 fracture events included 2 fracture locations.
b
Including 1 fracture event with 2 fracture locations in the ulna.
c
Including 2 fracture events with 2 fracture locations in the radius and 1 event with 3 fracture locations in the radius and ulna.
d
Including 1 fracture event with 2 fracture locations in the radius and 2 events with 3 locations in the radius and ulna.