Differences in Hemoglobin Levels Using Point-of-Care Testing in Capillary and Venous Blood Samples of Pregnant Women
Abstract
Background: Hemoglobin level examination in pregnant women is essential to prevent complications associated with anemia during pregnancy. Differences in sampling methods, particularly capillary and venous blood, may influence the accuracy of results obtained using Point-of-Care Testing (POCT). This study aimed to determine the differences in hemoglobin levels measured using POCT between capillary and venous blood samples in pregnant women at UPTD Puskesmas Kuta II.
Methods : This research employed a simple experimental design with a total sample of 30 pregnant women selected using a quota sampling technique. Hemoglobin levels were measured using a POCT device for both capillary and venous blood samples. Data were analyzed using univariate and bivariate analysis with the Paired Sample T-Test.
Results: The results showed that the mean hemoglobin level in capillary blood was 12.5 g/dL, while in venous blood it was 12.2 g/dL. Statistical analysis indicated a significant difference between the two measurements (p-value < 0.001). The higher hemoglobin level in capillary blood may be attributed to differences in oxygen distribution between capillary and venous circulation.
Conclusion : In conclusion, there is a significant difference in hemoglobin levels measured using POCT between capillary and venous blood samples in pregnant women.
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