試題詳解

61. 在臨床藥物試驗常會比較progression-free survival(PFS，無病存活)其定義是以下列哪一個？
(A) The length of time after treatment during which no disease is found
(B) Time during and after treatment in which the tumor enlarged
(C) A measure of time after a disease is diagnosed
(D) The length of time during and after treatment in which a patient is living with a disease that does not get worse