From: The effect of core decompression on local expression of BMP-2, PPAR-γ and bone regeneration in the steroid-induced femoral head osteonecrosis
Time
Without decompression
With decompression
2 weeks
1.258 ± 0.032
1.245 ± 0.042
4 weeks
1.432 ± 0.041
1.710 ± 0.051
8 weeks
2.013 ± 0.024
1.978 ± 0.046