Reproducibility of the diagnosis of diabetes by the 1-hour oral glucose tolerance test is substantial
Authors' conclusion
With insulin resistance greater in non-switchers, 1 h-OGTT reproducibility may be better if insulin resistance present.
Study context
- Population
- African descent individuals with 1 h-OGTTs performed 10 ± 7d (mean ± SD) apart
- Participants
- 154 individuals
- Comparison
- Non-switchers vs Switchers
- Non-switchersn = 22
- Switchersn = 12
- Outcome
- Diagnostic reproducibility of diabetes by 1 h-OGTT
Methodological detailsrepeated 1 h-OGTT
- Repeated 1 h-OGTT
Performance
As reported in the abstract
Diagnostic reproducibility of diabetes
ҝ-statistic
0.74
95%CI 0.58–0.90
Further findings
Diabetes diagnosed (34 individuals): detected at both vs one visit
Diabetes diagnosed (34 individuals): detected at both vs one visit
- Insulin resistance greater in non-switchers
Original publication
Reproducibility of the diagnosis of diabetes by the 1-hour oral glucose tolerance test is substantial. Diabetes Res Clin Pract. Published 23 June 2026. doi:10.
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