Table 1 Analysis of the hip parameters compared between preoperative radiographs and postoperative radiographs. n.s. not statistically significant. n.a., not applicable
From: Restoring global offset and lower limb length with a 3 offset option double-tapered stem
Radiographic parameter | Preoperative Mean ± SD (range) | Postoperative Mean ± SD (range) | p-value |
|---|---|---|---|
GO (all hips) | 79.3 ± 14.7 (57–168) mm | 81.8 ± 19.1 (58–230) mm | 0.014 |
GO (offset B stem, 59 hips) | 77.8 ± 15.8 (57–168) mm | 80.5 ± 21.6 (58–230) mm | 0.048 |
GO (offset C stem, 20 hips) | 84.2 ± 10.1 (58–100) mm | 86.3 ± 8.6 (74–110) mm | n.s. |
GO (all contralateral hips) | 80.8 ± 9.3 (60–115) mm | n.a. | |
LL (all hips) | 17.4 ± 10.7 (1–83) mm | 11.9 ± 9.8 (1–60) mm | 0.0001 |
LL (offset B stem, 59 hips) | 18.1 ± 11.7 (1–83) mm | 11.5 ± 8.6 (1–46) mm | 0.0001 |
LL (offset C stem, 20 hips) | 15.8 ± 7.0 (4–27) mm | 13.9 ± 12.6 (1–60) mm | n.s. |
LL (all contralateral hips) | 12.0 ± 9.7 (1–60) mm | n.a. |