Brachial artery characteristics before and after ischemia-reperfusion (IR) when preceded by metformin pretreatment or no pretreatment (n = 26).

Data is presented as mean±SD.FMD: flow mediated dilation; FMD (%) percent change to baseline; FMD (mm) absolute change to baseline; IR: ischemia-reperfusion; SRAUC: shear rate area under the curve.数据以均值±标准差（mean±SD）的形式呈现。血流介导的血管舒张（flow mediated dilation, FMD）：FMD（%）为相较于基线的百分比变化；FMD（mm）为相较于基线的绝对变化量；缺血再灌注（ischemia-reperfusion, IR）；剪切速率曲线下面积（shear rate area under the curve, SRAUC）。