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Objective To investigate the relationship between glycosylated hemoglobin A1c (HbA1c) and blood glucose levels of eight different points throughout the day in well-glycemic-controlled medical nutrition therapy (MNT) alone type 2 diabetic patients. Methods Data were collected as capillary blood glucose value of eight different sample points among sixteen observing days in thirty MNT alone type 2 diabetic patients. The correlation between HbA1c and capillary blood glucose value was evaluated by Pearson’s correlation method. Results The r-values between HbA1c and capillary blood glucose of 3:00, 6:00, and bedtime (22:00-23:00) were 0.81, 0.79, and 0.78, respectively(P<0.001). The best correlation was found between the mean value of 8-point blood glucose value throughout the day and HbA1c (r=0.84, P<0.001). Conclusion Fasting blood glucose and postabsorptive blood glucose have better correlations with HbA1c compared with other points in this group of well-glycemic-controlled MNT alone type 2 diabetic patients.
Objective To investigate the relationship between glycoylated hemoglobin A1c (HbA1c) and blood glucose levels of eight different points throughout the day in well-glycemic-controlled medical nutrition therapy (MNT) alone type 2 diabetic patients. Methods Data were collected as capillary blood glucose value of eight different sample points among sixteen observing days in thirty MNT alone type 2 diabetic patients. The correlation between HbA1c and capillary blood glucose value was evaluated by Pearson’s correlation method. Results The r-values between HbA1c and capillary blood glucose of 3:00, 6:00, and bedtime (22: 00-23: 00) were 0.81, 0.79, and 0.78, respectively (P <0.001). The best correlation was found between the mean value of 8-point blood glucose value throughout the day and HbA1c (r = 0.84, P <0.001). Conclusion Fasting blood glucose and postabsorptive blood glucose have better correlations with HbA1c compared with other points in this group of well-glycemic-controlled MNT alone type 2 diabetic patients.