Table 2.
Outliers in acetabular and femoral component positions.
| Variable | Handheld navigation | Conventional fluoroscopy |
|---|---|---|
| Acetabular cup version | ||
| No outlier | 74% | 52% |
| Mild-moderate outlier | 21% | 28% |
| Significant outlier | 5% | 20% |
| Acetabular cup inclination | ||
| No outlier | 90% | 58% |
| Mild-moderate outlier | 10% | 27% |
| Significant outlier | 0% | 15% |
| Leg length discrepancy | ||
| No outlier | 93% | 70% |
| Mild-moderate outlier | 7% | 25% |
| Significant outlier | 0% | 5% |
| Offset discrepancy | ||
| No outlier | 94% | 39% |
| Mild-moderate outlier | 6% | 48% |
| Significant outlier | 0% | 13% |
No outlier is <5° or <5 mm discrepancy, mild-moderate outlier is 5°-<10° or 5-<10 mm discrepancy, and significant outlier is >10° or >10 mm discrepancy.