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HHS scores preoperatively and postoperatively in ARCO IIB and IIC stages
| Stages | Pre-op(points) | Post-op(points) | P value |
|---|---|---|---|
| ARCO II B | 57.8 ± 22.7 | 91.4 ± 5.5 | P < 0.05 |
| ARCO II C | 63.0 ± 14.6 | 80.9 ± 19.5 | P < 0.05 |
| Total | 61.6 ± 17.0 | 83.8 ± 17.9 | P < 0.05 |
