What question did this study set out to answer?

This analysis aims to evaluate the diagnostic accuracy of capillary point-of-care testing (POCT) for gestational diabetes mellitus (GDM).

Diagnostic Accuracy, Sensitivity and Specificity of Capillary POCT for Diagnosing Gestational Diabetes Mellitus

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Randomized trial evaluates capillary POCT's accuracy for diagnosing gestational diabetes, highlighting optimized cut-offs.

This analysis aims to evaluate the diagnostic accuracy of capillary point-of-care testing (POCT) for gestational diabetes mellitus (GDM).
Retrospective analysis of 401 OGTTs with simultaneous capillary POCT and venous lab measurements
Investigated agreement between capillary POCT and venous reference standard
Determined optimal capillary cut-offs using ROC analysis.
Capillary POCT demonstrated 80.8% sensitivity and 73.4% specificity in pregnant women (n=260)
Initial agreement with the reference standard was 71.9% with 8.9% false positives and 19.2% false negatives
Optimized cut-offs improved classification: fasting ≥95 mg/dL (85.5% correct), 1-h ≥203 mg/dL (97.0% correct), 2-h ≥174 mg/dL (94.4% correct).

Wehling et al. (2026) studied this question.

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