Advances in Orthopedics / 2018 / Article / Tab 4

Research Article

Clinical and Radiological Outcomes of Extracorporeal Shock Wave Therapy in Early-Stage Femoral Head Osteonecrosis

Table 4

Changes on plain radiographs and MRI images before and after ESWT.

VariableBefore ESWTAfter ESWTP-value

Size of ONFH (%)59 ± 32 (5-76)28 ± 16 (0-63)0.235
Bone marrow edema
Grade 03200.003
Grade 199
Grade 2164
Grade 330
Grade 420

The values, given as the mean and standard deviation with the range in parentheses, represent the percentage of the involved area of the femoral head. ESWT: extracorporeal shockwave therapy; ONFH = osteonecrosis of the femoral head.

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