Technical performance analysis of different types of spirometers.

ABSTRACT:

Background

The spirometer is an important element in lung function examinations, and its accuracy is directly related to the accuracy of the results of these examinations and to the diagnosis and treatment of diseases. Our aim was to conduct a performance analysis of the detection techniques of differential pressure and ultrasonic portable spirometers commonly used in China.

Methods

A standard flow/volume simulator was used to analyze the performance (accuracy, repeatability, linearity, impedance, and so on) of portable spirometers, 4 imported and 6 domestic, based on 13 curves generated by different air sources in the ISO 26782:2009 standard. A Bland-Altman diagram was used to evaluate the consistency between the values measured by the spirometers and the simulator.

Resu

SUBMITTER: Wu Z 

PROVIDER: S-EPMC8734223 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature