Article ; Online: Glycated Albumin Correlates With Time-in-Range Better Than HbA1c or Fructosamine.
The Journal of clinical endocrinology and metabolism
2023 Volume 108, Issue 11, Page(s) e1193–e1198
Abstract: Context: Intermediate-term glycemic control metrics may represent a viable alternative to continuous glucose monitoring (CGM) in patients without access to CGM.: Objective: This work aimed to compare the relationship between CGM parameters and ... ...
Abstract | Context: Intermediate-term glycemic control metrics may represent a viable alternative to continuous glucose monitoring (CGM) in patients without access to CGM. Objective: This work aimed to compare the relationship between CGM parameters and glycated albumin (GA), glycated hemoglobin A1c (HbA1c), and fructosamine for 24 weeks. Methods: We conducted exploratory comparative analyses of CGM subgroup data from a previously published 24-week prospective study of assay performance in 8 US clinics. Participants included 34 individuals with type 1 (n = 18) and type 2 diabetes (n = 16) undergoing changes to improve glycemic control (n = 22; group 1) or with stable diabetes therapy (n = 12; group 2). Main outcome measures included Pearson correlations between CGM and glycemic indices and receiver operating characteristic (ROC) analysis of glycemic index values predictive of time in range (TIR) greater than 70%. Results: At weeks 4 and 8, GA correlations with TIR were higher than HbA1c correlations in group 1. In group 2, GA correlations with TIR were statistically significant, whereas HbA1c correlations were not. In both groups over the first 12 weeks, GA correlations with TIR were higher than fructosamine-TIR correlations. In the ROC analysis, GA predicted a TIR greater than 70% during weeks 2 to 24 (area under the curve >0.80); HbA1c was predictive during weeks 12 to 24. Cutoff values for TIR greater than 70% were 17.5% (sensitivity and specificity, 0.88) for GA and 7.3% (0.86) for HbA1c. Conclusion: GA is the most accurate predictor of TIR over 8 weeks compared with other glycemic indices, which may assist in clinical evaluation of changes in treatment where CGM is not possible and it is too early to use HbA1c (NCT02489773). |
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MeSH term(s) | Humans ; Glycated Hemoglobin ; Diabetes Mellitus, Type 2/drug therapy ; Fructosamine ; Blood Glucose/analysis ; Blood Glucose Self-Monitoring ; Prospective Studies ; Glycated Serum Albumin ; Glycation End Products, Advanced ; Serum Albumin |
Chemical Substances | Glycated Hemoglobin ; Fructosamine (4429-04-3) ; Blood Glucose ; Glycated Serum Albumin ; Glycation End Products, Advanced ; Serum Albumin |
Language | English |
Publishing date | 2023-05-31 |
Publishing country | United States |
Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ZDB-ID | 3029-6 |
ISSN | 1945-7197 ; 0021-972X |
ISSN (online) | 1945-7197 |
ISSN | 0021-972X |
DOI | 10.1210/clinem/dgad298 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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