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Distribution of pelvic anteroposterior tilt in 477 hips
| Pelvic anteroposterior tilt | Mean ± SD (º) | Number of hips | Percentage |
|---|---|---|---|
| Posterior tilt ≥ 10º | 13.6 ± 3.3 | 56 | 11.7% |
| Posterior tilt 6°–9º | 7.3 ± 1.1 | 71 | 14.9% |
| Posterior tilt 1°–5º | 2.9 ± 1.4 | 138 | 28.9% |
| Zero pelvic tilt | 0 | 29 | 6.1% |
| Anterior tilt 1°–5º | 2.9 ± 1.4 | 113 | 23.7% |
| Anterior tilt 6°–9º | 7.3 ± 1.0 | 49 | 10.3% |
| Anterior tilt ≥ 10º | 11.8 ± 2.3 | 21 | 4.4% |
SD = standard deviation.
