2)隐蔽分组(allocation concealment):由专人确定随机号的组别并妥善保管分组序列,如用不透光容器、计算机加密或中央随机分组等措施,为隐蔽充分,用Y表示,发生选择...
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·1 2· 无支架型节育器(Gy舱Fix)与常用带铜T形节育器效能及副反应比较的系统评价5.2分配方案隐藏(ALLOCATION CONCEALMENT) 充分(YES):由专人确定随机分组编号的组别并妥善保管分组序列,如用避光密封信封容器、计算机加密等措施,且产生分配序列者不...
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concealment of allocation 随机分配方案隐藏
There is a need for well-conducted RCTs with adequate allocation concealment and masking (blinding).
适当的分组隐匿及遮蔽(盲法)之良好的随机对照试验是需要的。
To suggest changes and expansions to advice on how to code and describe allocation concealment methods.
建议怎样正确描述和分级分配方案隐藏。
There is a high risk of bias for the adequacy of allocation concealment and presence of selective outcome reporting amongst the trials.
这些试验所回报的分组隐匿及筛选结果的表现有很高风险偏差。
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