Observational studyDiabetes, obesity & metabolism2026
CGM-derived average glucose is more strongly associated with microvascular complications than HbA1c in type 1 diabetes.
Observational study in Diabetes, obesity & metabolism, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Association between continuous glucose monitoring metrics and diabetic retinopathy and albuminuria among Japanese individuals with type 1 diabetes.Journal of diabetes investigation · 2026Article
- CGM-derived average glucose is more strongly associated with microvascular complications than HbA1c in type 1 diabetes.Diabetes, obesity & metabolism · 2026Observational
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimsTo compare the associations of HbA1c and continuous glucose monitoring (CGM)-derived average glucose with microvascular complications in adults with type 1 diabetes, and to assess the clinical utility and stability of metrics capturing glycation discordance. MATERIALS AND
methodsObservational assessment of 9023 paired measurements of CGM data (14 days) and HbA1c in 2721 adults with type 1 diabetes. CGM metrics, HbA1c, and markers of discordance between HbA1c and CGM average glucose were associated with prevalent retinopathy (any and proliferative) and microalbuminuria.
resultsHbA1c was higher than expected in older individuals (62 mmol/mol [54-71] age >45 vs. 61 mmol/mol [52-71], p = 0.004) and in women (62 mmol/mol [54-71] vs. 61 mmol/mol [53-71], p < 0.001) despite lower or similar average glucose levels. Fewer than one-third of individuals remain within the same HbA1c-average glucose discordance category over time. HbA1c (p < 0.001), average glucose (p < 0.001), CV glucose (p < 0.001), and socioeconomic deprivation (p = 0.003) were all independently associated with retinopathy risk (with similar results for proliferative retinopathy). Higher glycation was associated with a lower likelihood of prevalent retinopathy (p < 0.001).
conclusionsCGM-derived average glucose appears superior to HbA1c as a marker of prevalent microvascular complications. These data challenge the high-glycator hypothesis and also suggest glucose variability may be an independent risk marker for microvascular disease.
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