Reoperation-free survival after hip screws or hip arthroplasty for undisplaced femoral neck fractures in the elderly a nationwide population-based cohort study of 3,909 patients
Aims Our primary aim was to assess reoperation-free survival at one year after the index injury in patients aged ≥ 75 years treated with internal fixation (IF) or arthroplasty for undis-placed femoral neck fractures (uFNFs). Secondary outcomes were reoperations and mortality analyzed separately. Methods We retrieved data on all patients aged ≥ 75 years with an uFNF registered in the Swedish Fractu