Objective: To determine the correlation between blood glucose and glycosylated hemoglobin values in patients who attend the Ayacucho Regional Hospital between January 2018 to December 2018. Methodology: It was designed as a descriptive, cross-sectional, non-causal, retrospective, retrospective study conducted at the Regional Hospital of Ayacucho, the year 2018; Of the 783 patients' medical records, 616 contained the complete data and 167 medical records were excluded due to lack of data; collecting data on sex, age group, marital status, level of education, glucose results, results of glycosylated hemoglobin, diagnosis of pathology, symptomatology of diabetic and non-diabetic pathologies; the data obtained were statistically evaluated for which the absolute and percentage frequency distributions were performed and the statistical test of Chi square, mean and standard deviation was perfor...