信息偏倚的另一种形式是确认偏倚(ascertainment bias),这类偏倚往往发生在病例回顾研究中,需要病人回忆既往的事件。
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E）减少测量偏倚（ascertainment bias）：没关系。
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bias ascertainment 偏倚确认
Several panelists thought that the cancer signal may have reflected an ascertainment bias, and, further, that a young homozygous FH population would be less susceptible to an elevated cancer risk.
FORBES: FDA Panel Recommends Approval Of Mipomersen For Familial Hypercholesterolemia
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