随机数表法
- 网络random number table
随机数表法-
然后在层内通过随机数表法进行随机分组，确保每层患者分入治疗组和对照组的例数相同，保证了治疗组与对照组患者在肢体痉挛程度上的同质性。
Then in the layer through a table of random numbers for random grouping , ensure that each layer were divided into treatment group and control group of the same number of cases , to ensure the treatment group and the control group patients in limb spasm degree of homogeneity .