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５６例儿童反复腹痛检测血中幽门螺杆菌抗体（ＨＰＩｇＧ）．结果显示反复腹痛组与对照组ＨＰＩｇＧ阳性分别是４１％和１７．２％，有显著性差异（Ｐ＜０．０５），且检出率随患者年龄有逐年增加趋势。
Fifty-six children with recurrent abdominal pain were tested for Helicobacter pylori (HPIgG) in the blood. The results showed that the positive rates of HPIgG in repeated abdominal pain group and control group were 41% and 17.2% respectively, with significant difference (P <0.05), and the detection rate increased year by year with the patient’s age.