Compared with before operation,average ROM improved by 52.5 degree,HSS score by 45 points,T value of BMD by 0.65 and muscle strength improved 1 class respectively after operation. No complications occurred during rehabilitation in hospital.

• 与术前相比；术后平均关节活动度提高52.；5分；HSS评分提高45分；平均骨密度T值提高0