Sample description and differences between type 2 diabetes patients and healthy control participants.

Data are depicted as means (standard deviation) or n (percentage). Group differences were tested using t-test for continuous variables as well as chi2- tests for categorical variables.数据以均值（标准差）或例数（百分比）表示。组间差异比较时，连续变量采用t检验，分类变量采用卡方检验（chi2-test）。