Fig. 1From: Risk factor analysis for postoperative complications requiring revision surgery after transtrochanteric rotational osteotomy for osteonecrosis of the femoral headNumber of postoperative complications requiring revision surgery within 3 years after transtrochanteric rotational osteotomy, according to previous alcohol intake and corticosteroid use. The postoperative complications were observed in six patients with alcohol, followed by four patients with alcohol plus corticosteroid, and one patient with corticosteroid. No complication was observed in patients with idiopathicBack to article page