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Table 2 Fracture classification by sex, age and high-energy injuries

From: Clavicle fractures: epidemiology, classification and treatment of 2 422 fractures in the Swedish Fracture Register; an observational study

  Total, n (%) Males, n (%) Females, n (%) Young, n (%) Mature, n (%) Old, n (%) High energy, n (%)
Medial 109 (4.5) 68 (4.1) 41 (5.3) 8 (1.5) 30 (2.4) 71 (11.3) 16 (2.4)
 1A1 49 (2.0) 33 (2.0) 16 (2.1) 4 (0.8) 15 (1.2) 30 (4.8) 7 (1.0)
 1A2 16 (0.7) 9 (0.5) 7 (0.9) 1 (0.2) 5 (0.4) 10 (1.6) 3 (0.4)
 1B1 33 (1.4) 18 (1.1) 15 (2.0) 3 (0.6) 7 (0.5) 23 (3.6) 3 (0.4)
 1B2 11 (0.5) 8 (0.5) 3 (0.4) 0 (0) 3 (0.2) 8 (1.3) 3 (0.4)
Midshaft 1 584 (65.4) 1 168 (70.6) 416 (54.2) 439 (84.9) 889 (69.8) 256 (40.6) 550 (82.3)
 2A1 160 (6.6) 113 (6.8) 47 (6.1) 62 (12.0) 70 (5.5) 28 (4.4) 50 (7.5)
 2A2 380 (15.7) 276 (16.7) 104 (13.5) 161 (31.1) 158 (12.4) 61 (9.7) 107 (16.0)
 2B1 676 (27.9) 489 (29.6) 187 (24.3) 161 (31.1) 387 (30.4) 128 (20.3) 232 (34.7)
 2B2 368 (15.2) 290 (17.5) 78 (10.2) 55 (10.6) 274 (21.5) 39 (6.2) 161 (24.1)
Lateral 719 (29.7) 410 (24.8) 309 (40.2) 68 (13.2) 351 (27.6) 300 (47.5) 100 (15.0)
 3A1 291 (12.0) 144 (8.7) 147 (19.1) 25 (4.8) 126 (9.9) 140 (22.2) 25 (3.7)
 3A2 29 (1.2) 20 (1.2) 9 (1.2) 1 (0.2) 14 (1.1) 14 (2.2) 6 (0.9)
 3B1 358 (14.8) 215 (13.0) 143 (18.6) 34 (6.6) 189 (14.8) 135 (21.4) 63 (9.4)
 3B2 41 (1.7) 31 (1.9) 10 (1.3) 8 (1.5) 22 (1.7) 11 (1.7) 6 (0.9)
Not classified 10 (0.4) 8 (0.5) 2 (0.3) 2 (0.4) 4 (0.3) 4 (0.6) 2 (0.3)
Total 2 422 1 654 768 517 1 274 631 668
  1. Young = 15–24 years of age, Mature = 25–64 years old, Old = 65+ years of age. Main groups of fracture classification are presented in bold letters, followed by subgroups in normal letters