Table 3.
This table summarizes the reasons for secondary operations due to either hardware failure or patient-related complications.
| Failure type | Reason | Second procedure | Technique | Lag screw placement | TAD |
|---|---|---|---|---|---|
| Patient | Pain | Placement of shorter lag screw | Unlocked | Center-low | 22.4 |
| Hardware | Cutout | Total hip arthroplasty | Unlocked | Center-high | 23.58 |
| Hardware | AVN | Total hip arthroplasty | Unlocked | Center-low | 36.7 |
| Patient | Pain | Exchange of lag screw | Locked | High-center | 13.94 |
AVN – Acute Avascular Necrosis.
TAD – Tip-Apex Distance.