One hundred and ninechildren with a so-called growing endoprosthesis were excludedas they often require revision to an adult prosthesis near skeletal maturity.

• 其中大约有109例接受所谓生长型人工关节假体的病例被排出在外，因为这些病例在其骨骼发育成熟后都会翻修为成人型假体。