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Diabetology International

Erschienen in:

01.12.2011 | Original article

Converse contributions of fasting and postprandial glucose to HbA_1c and glycated albumin

verfasst von: Nobuko Sakuma, Masao Omura, Eisei Oda, Toshikazu Saito

Erschienen in: Diabetology International | Ausgabe 4/2011

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Abstract

Objective

We evaluated the relationship between glycated hemoglobin (HbA_1c) in diabetic patients with stable glycemic control and the average fasting blood glucose (FBG) and postprandial blood glucose (PPG) values of 4 weeks prior to HbA_1c measurement and compared the results with glycated albumin (GA).

Research design and methods

Fifty-one diabetic patients were asked to use self-monitoring blood glucose to measure FBG before breakfast and PPG 1 and 2 h after breakfast 1 day a week for 4 weeks while maintaining normal daily activities. During monthly outpatient visits, HbA_1c and GA were measured. Data were analyzed in 40 patients, with <1% variation in HbA_1c values over 4 months.

Results

HbA_1c was best predicted by the average FBG (AvFBG) and the average of 1-h and 2-h PPG (AvMPPG) (adjusted R ² = 0.51; HbA_1c = 4.35 + 0.013 AvFBG + 0.0056 AvMPPG). The contribution ratio was 0.013:0.0056, showing about 2.3 times greater contribution by FBG. GA was best predicted by the AvFBG and the average of 2-h PPG (Av2hPPG) (adjusted R ² = 0.55; GA = 9.36 + 0.0241 AvFBG + 0.0430 Av2hPPG). The contribution ratio was 0.024:0.043, showing about 1.8 times greater contribution by 2-h PPG. This converse contribution of fasting and postprandial glucose to HbA_1c and GA was more prominent in insulin-treated patients than in untreated patients.

Conclusions

HbA_1c and GA can be satisfactorily predicted by FBG and PPG. HbA_1c reflects FBG more so than PPG, whereas GA better reflects PPG. Thus, depending on the characteristics of the glycated protein, a different glycemic status is reflected.

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Titel: Converse contributions of fasting and postprandial glucose to HbA1c and glycated albumin
verfasst von: Nobuko Sakuma
Masao Omura
Eisei Oda
Toshikazu Saito
Publikationsdatum: 01.12.2011
Verlag: Springer Japan
Erschienen in: Diabetology International / Ausgabe 4/2011
Print ISSN: 2190-1678
Elektronische ISSN: 2190-1686
DOI: https://doi.org/10.1007/s13340-011-0036-9

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Converse contributions of fasting and postprandial glucose to HbA_1c and glycated albumin

Abstract

Objective

Research design and methods

Results

Conclusions

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Abstract

Objective

Research design and methods

Results

Conclusions

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