Official Journal of the Italian Society of Orthopaedics and Traumatology
Outcomes and subgroup analysis | Studies (n) | THAs (n) | Effective measures | MD (95% CI) | P-value | Heterogeneity | |
---|---|---|---|---|---|---|---|
I2 (%) | Ph | ||||||
Translation | 21 | 976 | MD | − 0.05(− 0.11, 0.01) | 0.11 | 53 | 0.002 |
 X: Medial/lateral | 6 | 280 | MD | − 0.05 (− 0.11, 0.01) | 0.11 | 0 | 0.50 |
 Y: Proximal/distal | 6 | 280 | MD | − 0.11 (− 0.22, 0.01) | 0.07 | 62 | 0.02 |
 Z: Anterior/posterior | 6 | 280 | MD | 0.04 (− 0.15, 0.23) | 0.70 | 63 | 0.02 |
Total translation/3d | 3 | 136 | MD | − 0.01 (− 0.23, 0.20) | 0.28 | 20 | 0.28 |
Rotation | 12 | 609 | MD | − 0.31 (− 0.83, 0.21) | 0.24 | 88 |  < 0.00001 |
 X: Transverse axis | 4 | 203 | MD | − 0.68 (− 1.22, − 0.15) | 0.01 | 57 | 0.07 |
 Y: Longitudinal axis | 4 | 203 | MD | − 0.10 (− 2.13, 1.93) | 0.92 | 96 |  < 0.00001 |
 Z: Sagittal axis | 4 | 203 | MD | − 0.22 (− 0.41, − 0.03) | 0.02 | 0 | 0.81 |