We guess this is due to the small sample bias and the short time span of our data.
我们认为这是因为小样本误差和数据所在时间跨度较短所造成的。
However, there's bias in the report. The research with small sample size negates a generation of the only children is an overgeneralization.
但是，报告也有偏颇之处，小样本量的研究并不能以偏概全，从而否定一代独生子女。
No baseline data were found to be related to the prognosis due to a small sample size and selection bias.
因小样本及选择偏倚，无基线资料与预后相关。
应用推荐