Yet the families of other patients just disappear after admission. Hsu Chia-hua has observed that families will still have hope for two to three years after an accident, but after a patient has been in a coma for five or six years, it is hard for some not to give up hope and to become inclined to want to use euthanasia.
根據許家華的觀察，意外發生後的二、三年內，家屬多還會存有一絲希望，但病人昏迷五、六年後，部份家屬就難免絕望了，傾向讓植物人「安樂死」。