| Inclusion criteria |
|
| Hip fracture surgical procedures in Ontario during study period |
48 627 |
| Exclusion criteria |
|
| Non-Ontario resident |
31 |
| Dead before or on index date |
8 |
| Nonorthopedic surgeon |
351 |
| Prior hip fracture |
1997 |
| Missing emergency presentation time data |
1460 |
| Hip fracture occurring in-hospital |
440 |
| Elective hospital admission |
1002 |
| Low-volume hospital (<5 hip fracture procedures during study period) |
34 |
| Patients aged <45 y |
746 |
| Hip fracture surgery delayed >10 d |
328 |
| Eligible hip fracture fixation procedures (total study cohort size) |
42 230 |
| Eligible treating surgeons |
522 |
| Eligible treating hospitals |
72 |
