Type 1 diabetes

Correlation Between Hemoglobin Glycation Index Measured by Continuous Glucose Monitoring With Complications in Type 1 Diabetes

Endocr PractPublished Cross-sectional study

Main finding · Microvascular complications by HGIResult — go to the resultOdds ratio 5.05 95% CI 1.02–24.8

Authors' conclusion

High HGI measured by CGM may be a useful marker for increased risk of microvascular diabetic complications.

Study context

Population
Permanent continuous glucose monitoring (CGM) users with T1D or LADA; mean age 39.7 ± 14.7 years, 73.1% women, 15.5 years (IQR, 7.5–29) since diagnosis
Participants
52 users
Exposure
High vs low CGM-derived hemoglobin glycation index
Outcome
Presence of microvascular complications by high vs low HGI

Main finding

Microvascular complications by HGI

Odds ratio

5.05

95% CI 1.02–24.8

P = 0.04

High HGIvs Low HGI
OR 5.05 (95% CI 1.02–24.8); P = 0.04

As reported in the abstract

Observational data: associations, not effects.

Further findings

OutcomeHigh HGILow HGIP value
Measured HbA1cHigher with high HGI8.1 % [65 mmol/mol]6.9 % [52 mmol/mol]P < 0.001
Glucose management indicator (GMI) and mean glucose · GMI 7.0% vs 7.0%; similar
P = 0.495
GMI and mean glucose · mean glucose 153 mg/dL vs 153 mg/dL; similar
P = 0.564

Prevalence of complications (all participants)

DR
32.7%
Chronic kidney disease (CKD)
25%
Neuropathy
19.2%

Glycaemic measures (all participants)

Median HbA1c
7.6% (60 mmol/mol)
GMI
7.0% (53 mmol/mol)
Average hemoglobin glycation index (HGI)
0.55% ± 0.66%

Time since diagnosis and CKD

OR per time since diagnosis
1.09 (95% CI 1.02-1.16; P = .008)

Original publication

Correlation Between Hemoglobin Glycation Index Measured by Continuous Glucose Monitoring With Complications in Type 1 Diabetes. Endocr Pract. Published 7 January 2023. doi:10.1016/j.eprac.2023.01.001

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