The Effect of Postoperative Corticosteroid Administration on Free Vascularized Fibular Grafting for Treating Osteonecrosis of the Femoral Head

Table 2

Preoperative and postoperative Harris hip scores (HHS) in the postoperative corticosteroid administration group (PCA group) and the control group.

HHS	Total series		Stage II		Stage III		Stage IV
	Preoperative	Postoperative	Preoperative	Postoperative	Preoperative	Postoperative	Preoperative	Postoperative
PCA group	72.0±9.1	83.2±10.9	80.4±6.2	91.4±6.8	72.9±6.1	84.7±8.3	64.4±7.5	75.1±10.7
Control group	72.3±8.5	84.9±10.2	81.4±5.7	93.1±6.8	72.3±4.5	86.6±7.1	65.2±6.8	76.6±9.3