Table 4.
Studies comparing the direct anterior (DA) and posterolateral (PL) approaches
| Reference | Type | n | Randomized | Duration of follow-up | Primary outcome | Dislocation rates |
|---|---|---|---|---|---|---|
| Nakata et al. (2009) | THA | 195 | no | 6 months a | Functional tests | |
| Martin et al. (2012) | THA | 88 | no | 6 months a | Early moribidity | 1/41 (DA) vs. 3/47 (PL) |
| Barrett et al. (2013) | THA | 87 | yes | 1 year | Walking ability | 0/43 (DA) vs. 1/44 (PL) |
| Baba et al. (2013) | BHA | 79 | yes | 3 years | Walking ability | 0/40 (DA) vs. 1/39 (PL) |
| Current study | BHA | 82 | yes | 6 weeks / 21 months | TUG test | 1/38 (DA) vs. 9/44 (PL) |
a
Retrospective; THA: total hip arthroplasty; BHA: bipolar hemiarthroplasty.