Key result
Point-of-care haemoglobin estimation using Pronto-7 and HemoCue showed fixed biases of +1.18 g/dl and -0.01 g/dl compared to laboratory analysis, with wide 95% prediction limits for both devices.
Why the study?
Do point-of-care devices (Pronto-7 and HemoCue) accurately estimate hemoglobin compared to an automated laboratory analyzer in pregnant women?
Population
141 pregnant women undergoing routine mid-trimester haemoglobin assessment
Comparison
Point-of-care hemoglobin estimation using… vs Automated laboratory analyser (Sysmex XE5000)
Design
Cross-sectional
Authors
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Wide prediction limits advise caution with Pronto-7 and HemoCue hemoglobin estimates in pregnancy; leaves open need for prospective device validation before clinical adoption.
Observational (n=141)
Do point-of-care devices (Pronto-7 and HemoCue) accurately estimate hemoglobin compared to an automated laboratory analyzer in pregnant women?
Mean Difference: 1.18
Both Pronto-7 and HemoCue point-of-care devices are imprecise with wide prediction limits for hemoglobin estimation compared to laboratory analysis.
Hiscock et al. (2014) conducted an observational in Haemoglobin assessment in pregnancy (n=141). Pronto-7 and HemoCue point-of-care devices vs. Automated laboratory analyser was evaluated on Agreement in haemoglobin estimation (fixed bias) (MD +1.18 g/dl (Pronto-7) and -0.01 g/dl (HemoCue)). Point-of-care haemoglobin estimation using Pronto-7 and HemoCue showed fixed biases of +1.18 g/dl and -0.01 g/dl compared to laboratory analysis, with wide 95% prediction limits for both devices.
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