Table 3.
Mean differences in muscle strength in Nm/kg between 100 patients and 50 volunteers
| Hip strength | Before PAO |
1 year after PAO |
||||
|---|---|---|---|---|---|---|
| Mean diff. (95% CI) | % diff. | p-value | Mean diff. (95% CI) | % diff. | p-value | |
| Flexion | 0.60 (0.48–0.73) | 34 | < 0.001 | 0.47 (0.34–0.60) | 27 | < 0.001 |
| Extension | 0.66 (0.44–0.87) | 27 | < 0.001 | 0.56 (0.34–0.79) | 23 | < 0.001 |
| Abduction | 0.30 (0.16–0.44) | 20 | < 0.001 | 0.20 (0.05–0.35) | 13 | 0.008 |
| Adduction | 0.41 (0.27–0.56) | 27 | < 0.001 | 0.44 (0.29–0.59) | 29 | < 0.001 |
PAO = periacetabular osteotomy.