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Zhongguo Yi Liao Qi Xie Za Zhi. 2013 Jan;37(1):30-2, 48.

[Reproducibility of a portable spirometer based on differential pressure sensor].

[Article in Chinese]

Author information

1
Dept of Rehabilitation Medicine, The Provincial Hospital Affiliated to Anhui Medical University, Hefei, 230001. zoukun8088@163.com

Abstract

OBJECTIVE:

Assessing the reproducibility of a portable spirometer, including reproducibility of inter-observer and day-today.

METHODS:

Lung ventilation function was performed in 22 healthy volunteers by two observers on the same day and repeated by the first observer after 24h.

RESULTS:

The inter-observer and day-to-day intra-class correlation coefficients are all higher than 0.75. There are no significant difference between each other. Bland-Altman chart shows good limits of agreement between inter-observer and day-to-day, only scattered data are outside of the limits of agreement.

CONCLUSIONS:

The portable spirometer shows good inter-observer and day-to-day reproducibility, and can be used for testing lung function in clinical.

PMID:
23668039
[Indexed for MEDLINE]
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