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| NC | AL | AL+PFTα | |
|---|---|---|---|
| ONFH incidence | None | 16/20*,# | 3/20 |
The incidence of osteonecrosis of femoral heads in each group (N = 20 for each group. *significant difference AL vs. NC group, p < 0.05; #significant difference AL vs. AL+ PFTα group, p < 0.05)
