What question did this study set out to answer?

To evaluate the diagnostic agreement between a portable hemoglobin photometer and a standard laboratory analyzer for measuring hemoglobin levels in pregnant women at high altitude.

July 11, 2009BMC Public HealthOpen Access

Evaluation of a portable hemoglobin photometer in pregnant women in a high altitude area: a pilot study

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Authors

XZXiaoyan ZhouQingdao University HYHong YanWuhan University YXYuan XingSouthwest Medical University

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Implication

Diagnostic study demonstrates wide limits of agreement for a portable hemoglobin photometer in pregnant women, suggesting it is unsuitable for high-altitude anemia screening.

Key Points

To evaluate the diagnostic agreement between a portable hemoglobin photometer and a standard laboratory analyzer for measuring hemoglobin levels in pregnant women at high altitude.
Enrolled 69 pregnant women in Tibet, China, using capillary blood samples.
Assessed device agreement against a reference laboratory analyzer using 95% limits of agreement, concordance correlation coefficient, and intraclass correlation coefficient.
The mean difference between the portable photometer and laboratory analyzer was -2.1 g/L, with wide 95% limits of agreement ranging from -22.6 g/L to 18.4 g/L.
Agreement metrics showed an intraclass correlation coefficient of 0.795 and a concordance correlation coefficient of 0.793.
Anemia screening achieved 94.9% sensitivity, 76.7% specificity, an 84.1% positive predictive value, and a 92.0% negative predictive value.

Cite This Study

Zhou et al. (2009) studied this question.

synapsesocial.com/papers/6a7d6b72cbb45c475b278910 https://doi.org/10.1186/1471-2458-9-228

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Implication

Diagnostic study demonstrates wide limits of agreement for a portable hemoglobin photometer in pregnant women, suggesting it is unsuitable for high-altitude anemia screening.

Evaluation of a portable hemoglobin photometer in pregnant women in a high altitude area: a pilot study

Discussion

Member takes

Implication

Key Points

Cite This Study

Evaluation of a portable hemoglobin photometer in pregnant women in a high altitude area: a pilot study

Discussion

Member takes

Implication

Key Points

Cite This Study

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