Comparison between peak expiratory flow and FEV1 measurements on a home spirometer and on a pneumotachograph in children with asthma

The accuracy of electronic portable home spirometers has been demonstrated in vitro using computer‐based waveforms. We assessed the agreement in vivo between measurements of lung function on an electronic spirometer (Koko Peak Pro) and those obtained by the gold standard, a hospital lung function laboratory pneumotachograph.

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