From: Long-term outcomes of arthroscopic synovectomy and core decompression through multiple small bone holes for early-stage avascular necrosis of the femoral head
Follow-up, mean (range), year
10.7 ± 3.4 (9–12)
Modified Harris Hip Score
70.15 ± 4.3
Visual analogue scale (mm)
9.1 ± 0.5
Survival rate, hip (%)
79 (51)