Femur Distal Fracture, Nonunion of Fracture
Conditions
Keywords
Prediction, Distal femur fracture, Nonunion, Statistical analysis plan
Brief summary
Here the investigators describe the statistical analysis plan for the study assessing the prediction of fracture nonunion leading to secondary surgery in patients with distal femur fractures.
Detailed description
See attached PDF.
Interventions
PROCEDURELateral locking plate
Plating of the distal femur fracture with lateral locking plate.
Sponsors
Töölö Hospital
Study design
Observational model
COHORT
Time perspective
RETROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
16 Years to 110 Years
Healthy volunteers
No
Inclusion criteria
* Age \> 16 years * AO/OTA type A or C distal femur fracture * Fracture located on the metaphyseal area of the distal femur (square method) * Operative treatment in the Helsinki University Hospital with a distal femur anatomic lateral locking plate * Operative treatment within 1 month after trauma * Operative treatment between years 2009 and 2018
Exclusion criteria
* Stress fracture * Pathological fracture * An epicondylar or subchondral fracture * A ligament sprain in distal femur * Treatment with a double-plating method or with both plate and nail * Non-surgical treatment and patients who died before the treatment * Treatment with an unconventional plate (other than distal femur plate) * Patients whose follow-up criteria not fulfilled
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Reoperation | Within 36 months after the initial trauma | Reoperation due to fracture nonunion |
Countries
Finland
Outcome results
None listed