Methods In 44 people with GU or DU and 20 healty people,we recorded the correlated indices including dominant power,dominant frequency eg of electrogastrogram.

• 方法对44例胃溃疡和十二指肠溃疡患者及20例健康志愿者进行胃电图监测,记录主频率,主功比,各频段胃电所占百分比等指标。