Research ArticleOriginal Research

An Interrater Reliability Study of Pulmonary Function Assessment With a Portable Spirometer

Hao Zhang, Li Li, Daozhen Jiao, Yanjie Yang, Chunhong Pan, Ling Ye, Sulan Wei and Meiling Jin
Respiratory Care May 2020, 65 (5) 665-672; DOI: https://doi.org/10.4187/respcare.07116

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Figures

  • Fig. 1.
    Fig. 1.

    The portable spirometer. This lightweight portable spirometer is composed of a disposable mouthpiece and a transducer with an internal flow sensor converting air flow directly into air pressure. The unit connects to a mini-screen or a computer via a USB cable. Courtesy Shanghai Sonmol Internet Technology.

  • Fig. 2.
    Fig. 2.

    Bland-Altman plots with 95% limits of agreement summarizing the results of pulmonary function tests in pediatric subjects. PEF = peak expiratory flow; MEF = maximum expiratory flow at 25%, 50%, and 75% of FVC (MEF25, MEF50, and MEF75, respectively).

  • Fig. 3.
    Fig. 3.

    Bland-Altman plots with 95% limits of agreement summarizing the results of pulmonary function tests in adults. PEF = peak expiratory flow; MEF = maximum expiratory flow at 25%, 50%, and 75% of FVC (MEF25, MEF50, and MEF75, respectively).

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