为检测上述流程，本研究主要采用「卡方差异检定（Chi-square difference test）分析区别效度。首先，先让模式中任两因素间的相关系数自由估计（相关系数不等于1），以得到未受限模式的卡方值。
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There was no significant difference between DA group and TF group by chi square test. There were significant differences between GIC group and the other two groups.
经统计学卡方检验DA组与TF组之间疗效差异无显著性，两组与GIC组之间疗效差异有显著性。
Only 16.35% in the negative framing chose the safe program. A chi-square test revealed a significant difference.
负面框架组的被试，只有16.35%选择保守方案，差异有统计学意义。
Single knife on 1 month after treatment and treatment of patients 3 months after the effective number of cases and the number of invalid statistics: chi-square test P <0.05, significant difference;
对单次针刀治疗后1个月与治疗后3个月有效病例数与无效病例数的统计显示：卡方检验P＜0.05，有显著性差异；
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