Table 5.
Reported clinical results of the cup abduction angle and anteversion using image-free navigation system
| Author (year) | Number of hips | Abduction Average ± SD (range) |
Anteversion Average ± SD (range) |
|---|---|---|---|
| Lateral | |||
| Wixson and MacDonald [31] (2005) | 82 | 42.2 ± 4.7 | 21 ± 7.3 |
| Dorr et al. [4] (2005) | 110 | 39.1 ± 4.4 (28–53) | 23.6 ± 3.8 (15–35) |
| Najarian et al. [21] (2009)a | 49 | 44.1 ± 6.2 (30–58) | 24.1 ± 5.9 (13–36) |
| Najarian et al. [21] (2009)b | 47 | 45.5 ± 4.7 (30–56) | 25.1 ± 5.9 (13–36) |
| Supine | |||
| Kalteis et al. [12] (2005) | 23 | 45 ± 2.8 (40–50) | 14.4 ± 5 (5–25) |
| Kalteis et al. [11] (2006) | 30 | 43.2 ± 4 (33–50) | 15.2 ± 5.5 (5–25) |
| Judet [10] (2007) | 38 | 46 ± 2 | 16 ± 3 |
| Hasart et al. [8] (2008) | 30 | 43.2 (38.1–47.0) | 25 (13.8–30.5) |
a Results from the initial series; b results from the second series.