Outcomes of patients with a minimum of 1-year follow-up or who have met the failure criteria*
| Ballistic femoral neck fractures | Closed blunt-injury femoral neck fractures | P value | |
| N=7 | N=16 | ||
| Met failure criteria* | 5 (71%) | 8 (50%) | 0.340 |
| Follow-up (months) | 21 (13 to 32) | 21 (13 to 31) | 0.893 |
| Non-union | 5 (71%) | 6 (38%) | 0.134 |
| Avascular necrosis | 1 (14%) | 1 (6%) | 0.529 |
| Conversion to total hip arthroplasty | 1 (14%) | 2 (13%) | 0.907 |
| Conversion to Girdlestone procedure | 0 (0%) | 1 (6%) | 0.499 |
| Deep postoperative infection | 1 (14%) | 2 (13%) | 0.907 |
| Postoperative hip osteoarthritis | 0 (0%) | 0 (0%) | 1.000 |
| Ambulatory status at final follow-up | |||
| Unassisted | 5 (71%) | 13 (81%) | |
| Required assisted gait device | 1 (14%) | 2 (13%) | |
| Non-ambulatory | 1 (14%) | 1 (6%) | 0.805 |
Values are represented as median (IQR) or as the number of patients (percentage of the group). P values are from the Wilcoxon rank-sum test or χ2 test.
*Failure criteria include non-union, avascular necrosis, conversion to total hip arthroplasty, or conversion to Girdlestone procedure.