Table 2.
Fracture Classification and configuration
| Variable | Group 1 2005–2008 | Group 2 2009–2012 | Group 3 2013–2016 | P value |
|---|---|---|---|---|
| Schatzker classification (%) | 0.025 | |||
| A | 22 (45.8) | 29 (27.6) | 28 (28.0) | |
| B | 1 (2.1) | 0 (0) | 1 (1.0) | |
| C | 19 (39.6) | 45 (42.9) | 33 (33.0) | |
| D | 5 (10.4) | 30 (28.6) | 30 (30.0) | |
| E | 0 (0) | 0 (0) | 1 (1.0) | |
| F | 1 (2.1) | 1 (1.0) | 7 (7.0) | |
| Mayo classification (%) | 0.100 | |||
| 1A | 3 (6.25) | 2 (2.0) | 5 (5.0) | |
| 1B | 0 (0) | 1 (1.0) | 2 (2.0) | |
| 2A | 37 (77.1) | 71 (67.6) | 55 (55.0) | |
| 2B | 7 (14.9) | 30 (28.6) | 32 (32.0) | |
| 3A | 0 (0) | 1 (1.0) | 2 (2.0) | |
| 3B | 1 (2.1) | 0 (0) | 4 (4.0) | |
| Number of fracture lines (%) | 0.001 | |||
| One | 47 (94.0) | 64 (60.4) | 68 (66.0) | |
| Two | 1 (2.0) | 28 (26.4) | 26 (25.2) | |
| More than two | 2 (4.0) | 14 (13.2) | 9 (8.7) | |
| Fracture angle of ulnar shaft axis (degree) | 0.001 | |||
| Mean (SD) | 86.1(26.2) | 79.8 (28.1) | 100.0 (27.5) | |
| Fracture angle of ulnar shaft axis (degree) (%) | 0.001 | |||
| < 60 | 8 (16.0) | 28 (26.4) | 12 (11.7) | |
| 61–80 | 17 (34.0) | 23 (21.7) | 16 (15.5) | |
| 81–100 | 11 (22.0) | 32 (30.2) | 21 (20.4) | |
| 101–120 | 9 (18.0) | 18 (17.0) | 29 (28.2) | |
| > 121 | 5 (10.0) | 5 (4.7) | 25 (24.3) |