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Precision and accuracy of FEV1 measurements from the Vitalograph copd-6 mini-spirometer in a healthy Ugandan population.


ABSTRACT:

Objective

Evaluate the accuracy and precision of the copd-6 mini-spirometer for FEV1 in a rural Ugandan population.

Methods

In a cross-sectional study, 171 smallholder farmers performed spirometry with copd-6, and a diagnostic-quality spirometer.

Results and discussion

The copd-6 underestimated FEV1 at low flows and overestimated FEV1 at high flows. Across all participants, the device slightly overestimated FEV1 by 0.04 [0.02; 0.06] L. Calibration data showed similar patterns.

Conclusion

The copd-6 could be considered as an affordable tool for research on lung function impairment in resource-constrained settings. However, further validation in a study population with obstructive lung disease is needed.

SUBMITTER: Hansen WAH 

PROVIDER: S-EPMC8238209 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Publications

Precision and accuracy of FEV1 measurements from the Vitalograph copd-6 mini-spirometer in a healthy Ugandan population.

Hansen Wajd Abbas Hassan WAH   Schlünssen Vivi V   Jørs Erik E   Sekabojja Daniel D   Ssempebwa John C JC   Mubeezi Ruth R   Staudacher Philipp P   Fuhrimann Samuel S   Hansen Martin Rune Hassan MRH  

PloS one 20210628 6


<h4>Objective</h4>Evaluate the accuracy and precision of the copd-6 mini-spirometer for FEV1 in a rural Ugandan population.<h4>Methods</h4>In a cross-sectional study, 171 smallholder farmers performed spirometry with copd-6, and a diagnostic-quality spirometer.<h4>Results and discussion</h4>The copd-6 underestimated FEV1 at low flows and overestimated FEV1 at high flows. Across all participants, the device slightly overestimated FEV1 by 0.04 [0.02; 0.06] L. Calibration data showed similar patter  ...[more]

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