Results: The average length of stay in THR/ TKR are 11.4 days and 12.6 days, while the average medical costs are NT$ 131,766.8 and NT$ 150,501.1 respectively.

• 方法：以全民健保86年11月实施论病例计酬前后半年之全髋及全膝关节置换手术的住院病人为研究对象；