The quantitative data was analyzing by using Chi-squared test, ridit analysis and logistic regression.
有关定量资料,采用卡方检验,ridit分析,logistic回归等方法。
Statistical analysis was performed using chi-squared test.
用χ2检验进行统计。
Care must be taken in the interpretation of the chi-squared test, since it has low power in the ( common) situation of a meta-analysis when trials have small sample size or are few in number.
必须重视对卡方分析结果的解释,因为当试验只有很小的样本量或者数量极小时,通常情况下Meta分析具有较低的把握度。
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