目的：检验抑郁性症状与2型糖尿病之间的双向联系。
OBJECTIVE: to examine the bidirectional association between depressive symptoms and type 2 diabetes.
目的：探讨双向有序分类数据相关的趋势检验方法。
Aim: To summarize the trend test analysis methods for two-way ordinal categorical data.
结论方差分析和双向单侧t检验结果表明两种制剂具有生物等效性。
CONCLUSION the results of variance analysis and two one-side t test showed that the two formulations were of bioequivalence.
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