Fig. 4From: Association between the ossific nucleus and osteonecrosis in treating developmental dysplasia of the Hip: updated meta-analysisForest plot for the development of osteonecrosis of any grade II or worse at two or more years following closed reduction. Including the data of four studies there were 253 hips analyzed. There was a statistically significant protective association between the ossific nucleus and the development of osteonecrosisBack to article page