Table 3.
HCOR displacement summary for THA cases performed with the lateral approach.
| Measurement | Superior-inferior direction | Medial-lateral direction | Anterior-posterior direction |
|---|---|---|---|
| Mean (mm) | 0.86 | 5.03 | 0.44 |
| SD (mm) | 2.54 | 4.44 | 2.56 |
| Direction | Superior | Medial | Posterior |
| Range (mm)a | −8.2 to 6.7 | −7.4 to 18.5 | −8.0 to 7.0 |
| P-value | <.001 | <.001 | <.001 |
HCOR, hip center of rotation; THA, total hip arthroplasty; SD, standard deviation.
Bold values indictate statistical significance (P < .05).
a
Negative values indicate displacement in the inferior, lateral, or posterior direction.