Aliment Pharmacol Ther. of ANA, ASCA, AGA, PCA and ANCA was 33.52%, 16.71%, 15.51%, 13.66% and 7.66%, respectively. The total positive detection rate was 62.8% (n = 680). Conclusion: The population with abdominal distension, chronic abdominal pain, diarrhea and other digestive system symptoms should be timely treated with combined detection of PCA, ANCA, ASCA, AGA and ANA, which is of important clinical application value for early diagnosis of gastrointestinal diseases and prevention of missed diagnosis and misdiagnosis. 0.05 was considered as statistically significant. RESULTS Among the 1,083 patients, 680 patients showed five positive antibodies, with the total positive detection rate of 62.8%. The positive detection rate of ANA was the highest (33.52%). The positive detection rate of each Formoterol hemifumarate antibody is shown in Table-I. Table-I Positive detection rate of ANA, ASCA, AGA, Formoterol hemifumarate PCA and ANCA. None. 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