Objective To investigate the accuracy of serum C-peptide and glycosylated hemoglobin test in the diagno-sis of diabetes mellitus.Methods A total of 120 patients with suspected diabetes who were treated in Xian'an District Maternal and Child Health Hospital from August 2022 to December 2023 were selected.Serum C-peptide and glyco-sylated hemoglobin tests were performed.The clinical comprehensive diagnosis results were used as the gold standard to compare the diagnostic efficacy(accuracy,specificity,sensitivity)of single test and combined test of serum C-peptide and glycosylated hemoglobin.Results The accuracy,specificity and sensitivity of serum C-peptide and glyco-sylated hemoglobin combined detection were higher than those of the single detection,and the differences were statisti-cally significant(all P<0.05).Conclusion In the process of diabetes diagnosis,the diagnostic efficacy of the combined test of serum C-peptide and glycosylated hemoglobin are high.
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