Baseline characteristics
| Characteristics | Pre-DD cohort (n=144) | DD cohort (n=153) | Significance |
| Age, median (IQR) | 26 (11–55) | 36 (13–54) | 0.370* |
| Gender, n (%) | |||
| Male | 76 (52.8) | 68 (44.4) | 0.151† |
| Type of injury, n (%) | 0.557† | ||
| Pediatric clavicle Fx | 8 (5.6) | 8 (5.2) | |
| Radial head/neck Fx | 24 (16.7) | 28 (18.3) | |
| Pediatric Fx distal radius | |||
| Greenstick type | 15 (10.4) | 9 (5.9) | |
| Torus type | 21 (14.6) | 18 (11.8) | |
| Fifth metacarpal neck Fx | 6 (4.2) | 1 (0.7) | |
| Mallet finger | 6 (4.2) | 4 (2.6) | |
| Weber A-type ankle Fx | 11 (7.6) | 14 (9.2) | |
| Avulsion-type ankle Fx | 8 (5.6) | 12 (7.8) | |
| Fx of fifth metatarsal base | 17 (11.8) | 20 (13.1) | |
| Fx of greater toe | 10 (6.9) | 11 (7.2) | |
| Fx of lesser toe | 10 (6.9) | 18 (11.8) | |
| Bicycle spoke injury | 8 (5.6) | 10 (6.5) | |
| Education level, n (%)‡ | 0.568† | ||
| Low | 70 (48.6) | 60 (39.2) | |
| Middle | 23 (16.0) | 30 (19.6) | |
| High | 51 (35.4) | 63 (41.2) | |
| Work/school status, n (%) | 0.061† | ||
| Going to work | 58 (40.3) | 73 (47.7) | |
| Going to school | 59 (41.0) | 44 (28.8) | |
| No work/school | 27 (18.8) | 36 (23.5) |
*Mann-Whitney U test.
†χ2 test.
‡According to education level by the Dutch Central Agency for Statistics.40
DD, direct discharge; Fx, fracture.