Table 5.
Influence of factors with numeric variables using proportional hazards regression analysis
| Factor | p Value |
|---|---|
| Age | 0.28 |
| Male gender | 0.74 |
| D’Antonio classification [10] | 0.92 |
| D’Antonio I/II versus III/IV | 0.32 |
| Paprosky classification [22] | 0.95 |
| Toronto classification [29] | 0.74 |
| Toronto II/III versus IV/V | 0.60 |
| Total number of screws | 0.66 |
| Postoperative COR-V | 0.67 |
| Postoperative COR-H | 0.14 |
| LLD | 0.55 |
| HO (Brooker 0/I versus II–IV) | 0.37 |
COR-V = vertical distance from anatomic to prosthetic center of rotation; COR-H = horizontal distance from anatomic to prosthetic center of rotation; LLD = leg length discrepancy; HO = heterotopic ossification.