For continuous data we calculated a weighted mean difference.
对于连续变项我们计算加权的平均值差异。
Continuous data were analysed using weighted mean difference (WMD).
连续数据的分析使用加权均数差(WMD)。
Statistical analysis for continuous data was done by weighted mean difference or standardised mean difference.
连续数据以权重平均差或标准化平均差作统计分析。
Standard methods of the Neonatal Review Group with use of relative risk (RR), risk difference (rd) and weighted mean difference (WMD).
新生儿评价组的标准方法，使用相对危险度(RR)，风险差(RD)和加权均数差(WMD)。
Standard methods of the Neonatal Review Group with use of relative risk (RR), risk difference (rd) and weighted mean difference (WMD).
新生儿评价组的标准方法，使用相对危险度(RR)，风险差(RD)和加权均数差(WMD)。
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