Table 2 Patient characteristics: distribution of sex, age at injury, injury mechanism, type of trauma and location stratified for patients ≤ 60 years of age at injury and those > 60 years
Undisplaced or minimally displaced FNF | Displaced FNF | Basicervical FNF | All fractures | |||||
|---|---|---|---|---|---|---|---|---|
<= 60 (N = 791) | > 60 (N = 9242) | <=60 (N = 1028) | > 60 (N = 24,355) | <= 60 (N = 307) | > 60 (N = 4326) | <= 60 (N = 2126) | > 60 (N = 37,923) | |
Age (mean, SD) | 50.6 (9.31) | 80.9 (8.73) | 51.8 (8.44) | 82.4 (8.42) | 49.8 (9.69) | 82.3 (8.72) | 51.1 (8.99) | 82.0 (8.56) |
Sex | ||||||||
Female | 388 (49.1%) | 6226 (67.4%) | 461 (44.8%) | 15,829 (65.0%) | 133 (43.3%) | 2530 (58.5%) | 982 (46.2%) | 24,585 (64.8%) |
Side | ||||||||
Left | 401 (50.7%) | 4649 (50.3%) | 553 (53.8%) | 12,952 (53.2%) | 152 (49.5%) | 2184 (50.5%) | 1106 (52.0%) | 19,785 (52.2%) |
Mechanism | ||||||||
Fall same level | 465 (58.8%) | 7392 (80.0% | 630 (61.3%) | 19,891 (81.7%) | 163 (53.1%) | 3476 (80.4%) | 1258 (59.2%) | 30,759 (81.1%) |
Fall from height | 46 (5.8%) | 242 (2.6%) | 61 (5.9%) | 626 (2.6%) | 20 (6.5%) | 108 (2.5%) | 127 (6.0%) | 976 (2.6%) |
Unspecified fall | 45 (5.7%) | 880 (9.5%) | 83 (8.1%) | 2,331 (9.6%) | 23 (7.5%) | 430 (9.9%) | 151 (7.1%) | 3641 (9.6%) |
Bicycle | 95 (12.0%) | 204 (2.2%) | 90 (8.8%) | 391 (1.6%) | 30 (9.8%) | 62 (1.4%) | 215 (10.1%) | 657 (1.7%) |
Stress fracture | 60 (7.6%) | 130 (1.4%) | 30 (2.9%) | 247 (1.0%) | 34 (11.1%) | 40 (0.9%) | 124 (5.8%) | 417 (1.1%) |
Other cause | 80 (10.1%) | 394 (4.3%) | 134 (13.0%) | 869 (3.6%) | 37 (12.1%) | 210 (4.9%) | 251 (11.8%) | 1473 (3.9%) |
Type of trauma | ||||||||
Low energy | 552 (69.8%) | 8275 (89.5%) | 759 (73.8%) | 21,810 (89.6%) | 191 (62.2%) | 3772 (87.2%) | 1502 (70.6%) | 33,857 (89.3%) |
High energy | 65 (8.2%) | 52 (0.6%) | 127 (12.4%) | 125 (0.5%) | 41 (13.4%) | 34 (0.8%) | 233 (11.0%) | 211 (0.6%) |
Not applicable | 60 (7.6%) | 130 (1.4%) | 30 (2.9%) | 245 (1.0%) | 34 (11.1%) | 40 (0.9%) | 124 (5.8%) | 415 (1.1%) |
Unknown | 42 (5.3%) | 141 (1.5%) | 46 (4.5%) | 580 (2.4%) | 18 (5.9%) | 125 (2.9%) | 106 (5.0%) | 846 (2.2%) |
Missing | 72 (9.1%) | 644 (7.0%) | 66 (6.4%) | 1595 (6.5%) | 23 (7.5%) | 355 (8.2%) | 161 (7.6%) | 2594 (6.8%) |