Table 2 Clinical and demographic Characteristics of derivation cohort and validation cohort
Characteristics | Derivation cohorta (n = 487) | Validation cohortb (n = 395) | Totalc (n = 882) |
|---|---|---|---|
Age, median (IQR) | 48 (29–61) | 52 (33–68) | 50 (31–63) |
Female, No. (%) | 276 (57) | 256 (64.8) | 532 (60.3) |
Mechanism of injury, No. (%) | |||
FOOSH | 320 (65.7) | 265 (67.1) | 585 (66.3) |
Direct blow or compression | 42 (8.6) | 22 (5.5) | 64 (7.3) |
Traffic accident | 37 (7.6) | 33 (8.4) | 70 (8.0) |
Forced hyperflexion | 19 (3.9) | 6 (1.5) | 25 (2.8) |
Punch | 13 (2.7) | 4 (1.0) | 17 (1.9) |
Other/unknown | 56 (11.5) | 65 (16.5) | 121 (13.7) |
Patients with a wrist fractured, No. (%) | 251 (51.5) | 219 (55.4) | 470 (53.3) |
Distal radius fracture, No. (%)e | 200 (41.1) | 184 (46.6) | 384 (43.5) |
Triquetrum fracture, No. (%)e | 26 (5.3) | 11 (2.8) | 37 (4.2) |
Scaphoid fracture, No. (%)e | 25 (5.1) | 23 (5.8) | 48 (5.4) |
Isolated distal ulna fracture, No. (%)e | 7 (1.4) | 3 (0.8) | 10 (1.1) |
Other carpal bone fracture, No. (%)e | 2 (0.4) | 1 (0.3) | 3 (0.3) |
Patients with multiple wrist fractures, No. (%) | 7 (1.4) | 4 (1) | 11 (1.2) |
Treatmentf | |||
Expectant | 38 (7.8) | 28 (7.0) | 66 (7.5) |
Compression bandage | 94 (19.3) | 73 (18.5) | 167 (18.9) |
Plaster immobilisation | 243 (49.9) | 190 (48.1) | 433 (49.1) |
Reduction and plaster immobilisation | 94 (19.3) | 82 (20.8) | 176 (19.9) |
Primary operative | 18 (3.7) | 17 (4.3) | 35 (4.0) |
Unknowng | 0 | 5 (1.3) | 5 (0.6) |