Table 10.
Operative group was divided according to combined baseline acetabular and femoral dGEMRIC cutoff of 332 ms (combined acetabular and femoral dGEMRIC index-1 SD)
| Parameter | Operative groups | p values | |||
|---|---|---|---|---|---|
| Group 1 (dGEMRIC < 332 ms) | Group 2 (dGEMRIC ≥ 332 ms) | Group 1 versus Group 2 | Group 1 baseline versus followup | Group 2 baseline versus followup | |
| dGEMRIC index (ms) | 302 ± 39 | 563 ± 137 | 0.001 | ||
| Age (years) | 29 ± 5 | 31 ± 8 | 0.593 | ||
| Number of hips with Tönnis osteoarthritis Grade > 0 (%) | 2 (40) | 7 (47) | 0.765 | ||
| Baseline WOMAC (0–240) | 15 ± 12 | 76 ± 34 | 0.022 | 0.273 | 0.003 |
| Followup WOMAC (0–240) | 6 ± 4 | 27 ± 29 | 0.037 | ||
| Change in WOMAC after 1 year | −9 ± 16 | −48 ± 35 | 0.013 | ||
| Baseline HOOS (0–100) | 74 ± 5 | 57 ± 17 | 0.027 | 0.287 | 0.012 |
| Followup HOOS (0–100) | 85 ± 9 | 76 ± 19 | 0.316 | ||
| Change in HOOS after 1 year | 11 ± 13 | 19 ± 17 | 0.471 | ||
| Baseline MHHS (0–91) | 68 ± 18 | 53 ± 16 | 0.198 | 0.152 | 0.005 |
| Followup MHHS (0–91) | 81 ± 9 | 71 ± 15 | 0.172 | ||
| Change in MHHS after 1 year | 12 ± 13 | 18 ± 17 | 0.515 | ||
Values are mean ± SD; dGEMRIC = delayed gadolinium-enhanced MRI of cartilage; WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index; HOOS = Hip disability and Osteoarthritis Outcome Score; mHHS = modified Harris hip score.