Evaluation on gold immunochromatography assay and chemical method in detection of occult blood in gastric juice
  
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KeyWord:gastric juice  occult blood  immunological method  chemical method
作者单位
李 月[1],代震宇2,陈 觅3 1 重庆医科大学附属第二医院检验科重庆 4000102 重庆市中医院骨科重庆4000113福建省福州市福建省立医院福州 350001 
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Abstract:
      Objective:To explore the value of gold immunochromatography assay and chemical method in the detection of occult blood in gastric juice. Methods: Totally 311 patients were taken as test samples. Chemical method and GICA were used to detect the gastric juice and vomits. Results: The positive predictive rates of GICA and chemical method were 64.73% and 100%; the negative predicative rates of GICA and chemical method were 79.74% and 70%; diagnostic accordance rates of GICA and chemical method were 53.09% and 65.59%.The combined diagnosis coincidence rate can reach 95.38%. The specificity and coincidence of GICA was better than those of chemical method with statistically significant differences (P<0.05). Conclusion: GICA is superior to chemical method in negative predictive value and diagnostic accordance. The combination of both methods can improve the accuracy of the diagnostic therapy
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