Screening Test Study of Occult Blood Bead Detector on Esophageal Cancer and Gastric Cancer

ObjectiveTo evaluate the validity and reliabity of screening test of occult blood bead detector on esophageal cancer and gastric cancer.MethodsTo study the screening test of occult blood bead detector on esophageal cancer and gastric cancer.Gastric lens and pathology were/gold level0.ResultsThe positive rate of occult blood detector was 10.96% (213/1 943).Incidence of gastriclens cancer was 6.2% (120/1 943).Sensitivity of occult blood detector was 37.5%.Specificity was 90.8%.Yonden's index was 28.3%.Agreement was 87.5%.ConclusionThe methods was fast,simple economic, safe,real and easily accepted by mass.It was advenced methods with high value.