Table 1 Patient characteristics. Distribution of sex, age, injury mechanism, type of trauma, and location
Undisplaced or minimally displaced FNF | Displaced FNF | Basicervical FNF | All patients | |
|---|---|---|---|---|
(n = 10,033) | (n = 25,383) | (n = 4633) | (n = 40,049) | |
Age * | 78.5 (± 12.0) | 81.1(± 10.4) | 80.2 (± 12.0) | 80.3 (± 11.0) |
Female † | 6,614 (65.9%) | 16,290 (64.2%) | 2663 (57.5%) | 25,567 (63.8%) |
Mechanism † | ||||
Bicycle† | 92 (2.0%) | 481 (1.9%) | 92 (2.0%) | 872 (2.2%) |
Fall from height | 288 (2.9%) | 687 (2.7%) | 128 (2.8%) | 1103 (2.8%) |
Fall same level | 7857 (78.3%) | 20,521 (80.8%) | 3639 (78.5%) | 32,017 (79.9%) |
Stress fracture † | 190 (1.9%) | 277 (1.1%) | 74 (1.6%) | 541 (1.4%) |
Other cause ‡ | 474 (4.7%) | 1003 (4.0%) | 247 (5.3%) | 1724 (4.3%) |
Unspecified fall † | 925 (9.2%) | 2414 (9.5%) | 453 (9.8%) | 3792 (9.5%) |
Type of trauma | ||||
High energy | 117 (1.2%) | 252(1.0%) | 75(1.6%) | 444 (1.1%) |
Low energy | 8827 (88.0%) | 22,569(88.9%) | 3,963(85.5%) | 35,359 (88.3%) |
Not applicable‡ | 190 (1.9%) | 275(1.1%) | 74 (1.6%) | 539 (1.3%) |
Unknown | 183 (1.8%) | 626(2.5%) | 143(3.1%) | 952 (2.4%) |
Missing | 716 (7.1%) | 1,661(6.5%) | 378(8.2%) | 2755 (6.9%) |
Location | ||||
Home | 4679 (46.6%) | 13,000 (51.2%) | 2389 (51.6%) | 20,068 (50.1%) |
Institution | 1334 (13.3%) | 33,794 (14.9%) | 644 (13.9%) | 5772 (14.4%) |
Public place | 409 (4.1%) | 939 (3.7%) | 167 (3.6%) | 1515 (3.8%) |
Street | 538 (5.4%) | 1218 (4.8%) | 188 (4.1%) | 1944 (4.9%) |
Other | 1137 (11.3%) | 2006 (7.9%) | 455 (9.8%) | 3598 (9.0%) |
Unspecified † | 1936 (19.3%) | 4426 (17.4%) | 790 (17.1%) | 7152 (17.9%) |