Table 3 Distal radius fracture classification and characteristics
From: Epidemiology of distal radius fracture: a regional population-based study in Japan
AO/OTA classification | Number (%) | Mean age (SD) | Female (%) | CT scan use (%) |
|---|---|---|---|---|
≤ 15 years of age | ||||
23r-M/2.1 | 10 (41.7) | 12.0 (0.9) | 2 (20) | 2 (20) |
23-M/2.1 | 4 (16.7) | 8.5 (5.1) | 0 | 0 |
23r-M/3.1 | 6 (25) | 13.3 (1.9) | 0 | 0 |
23-M/3.1 | 1 (4.2) | 13.0 | 0 | 0 |
23r-E/2.1 | 3 (12.5) | 13.0 (1.4) | 0 | 0 |
Total | 24 (100) | 11.9 (2.9) | 2 (8.3) | 2 (8.3) |
> 15 years of age | ||||
A1 | 1 (0.4) | 76.0 | 1 (100) | 1 (100) |
A2.1 | 74 (31.5) | 71.1 (11.4) | 57 (77) | 56 (75.7) |
A2.2 | 75 (31.9) | 75.8 (11.8) | 62 (82.7) | 46 (61.3) |
A2.3 | 3 (1.3) | 81.3 (6.9) | 3 (100) | 0 |
A3.1 | 3 (1.3) | 63.0 (5.1) | 3 (100) | 1 (33.3) |
A3.2 | 20 (8.9) | 76.2 (7.6) | 18 (90) | 10 (50) |
A3.3 | 8 (3.4) | 76.0 (8.2) | 7 (87.5) | 6 (75) |
Total 2R3A | 184 (78.7) | 73.8 (11.3) | 151 (82.1) | 120 (65.2) |
B1 | 2 (0.9) | 47.0 (26.0) | 1 (50) | 1 (50) |
B2 | 2 (0.9) | 34.5 (18.5) | 1 (50) | 2 (100) |
B3 | 0 | — | — | — |
Total 2R3B | 4 (1.7) | 40.75 (23.4) | 2 (50) | 3 (75) |
C1 | 16 (6.8) | 70.7 (13.7) | 15 (93.8) | 13 (81.3) |
C2 | 0 | — | — | — |
C3 | 30 (12.8) | 70.6 (13.1) | 21 (70) | 17 (56.7) |
Total 2R3C | 46 (19.6) | 70.7 (13.3) | 36 (78.3) | 30 (65.2) |
All | 234 (100) | 72.6 (12.8) | 189 (80.8) | 153 (65.4) |