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Table 2 Change in hip function evaluation score after extracorporeal shockwave therapy

From: Extracorporeal shock wave therapy for bone marrow edema syndrome in patients with osteonecrosis of the femoral head: a retrospective cohort study

ESWT Before (0 week) After (12 weeks) P value
HHS 42.2 ± 9.1 77.7 ± 10.8 < 0.0001
Charnley score 7.3 ± 1.4 12.0 ± 1.7 < 0.0001
Area of bone marrow edema, mm2 984.6 ± 433.2 189.7 ± 214.4 < 0.0001
  1. ESWT extracorporeal shockwave therapy, HHS Harris hip score