Research Article

Significant Associations of SOX9 Gene Polymorphism and Gene Expression with the Risk of Osteonecrosis of the Femoral Head in a Han Population in Northern China

Figure 2

Association of SOX9 protein expression with the clinical phenotypes of ONFH. (a) Association of SOX9 protein expression with the clinical etiological classification of ONFH. (b) Association of SOX9 protein expression with the clinical stages of ONFH. (c) Association of SOX9 protein expression with unilateral hip or bilateral hips lesions in ONFH patients. The error bars in figures represent standard deviation.
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