A Comparative Evaluation of the Accuracy of Invasive Point-of-care Hemoglobin Devices

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Cross-sectional study analyzes venous versus capillary blood samples for hemoglobin measurement accuracy, indicating significant differences.

The venous blood-based point-of-care device shows higher accuracy in diagnosing anemia compared to the capillary blood device.
Using Lin's concordance correlation coefficient, the Horiba H550 device demonstrated notable agreement with laboratory reference standards.
The study involved 529 individuals from various age groups and clinical settings to ensure diverse population representation.
Collecting venous blood provides more reliable hemoglobin measurements, supporting its preference in clinical practice.

Anand et al. (2025) studied this question.

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Cross-sectional study analyzes venous versus capillary blood samples for hemoglobin measurement accuracy, indicating significant differences.