信息偏倚
- 网络Information bias;information or observation bias;rmation bias
信息偏倚-
采用盲法收集资料，控制信息偏倚；
Blindness method was used to collect data , and control information bias ;
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结论在对医院资料进行统计分析时，应遵循观察性研究的原则和方法，以避免可能存在的信息偏倚、选择偏倚和混杂偏倚。
Conclusion The principles and methods for observational studies should be followed to reduce information bias , selection bias and confounding bias in statistical analysis of hospital data .
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【背景】人工流产与乳腺癌关系的研究至今没有一致的结论，可能与对照组中人流被低报等信息偏倚有关。
[ BACKGROUND ] Previous studies on the relationship between induced abortion and the risk of breast cancer were contradicted , which may be due to the underreporting of abortion in controls and recall bias .