paired differences
成对的差异
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The correlation and differences between the paired data were analyzed for their statistical significance.
分析前后二次问卷配对数据的相关性和差异显著性。
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The differences of the measurement data were compared with the paired t test.
计量资料差异比较采用配对t检验。
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