common size analysis
常用尺寸分析
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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