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. 2011 Nov;26(11):1469-73.
doi: 10.3346/jkms.2011.26.11.1469. Epub 2011 Oct 27.

Spirometric standards for healthy children and adolescents of Korean Chinese in northeast China

Kui Feng  1 , Li Chen, Shao-Mei Han, Guang-Jin Zhu
Affiliations

Spirometric standards for healthy children and adolescents of Korean Chinese in northeast China

Kui Feng et al. J Korean Med Sci. 2011 Nov.

Abstract

In China there are 1,923,842 Korean Chinese, who live mostly (92.27%) in the country's three northeast provinces. In spite of this sizeable number, no spirometric data are available at present on them. The present study investigated normal spirometric reference values for the Korean Chinese children and adolescents. Spirometry was performed in 443 healthy Korean Chinese children and adolescents aged 8-18 yr with measurements of forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), peak expiratory flow (PEF) and maximum mid-expiratory flow (MMEF). Reference equations for FEV1, FVC, PEF and MMEF were derived by using multiple regression analysis. All of the measured spirometric parameters correlated positively with height and age significantly (P < 0.001). The predicted values of FVC and FEV1 were higher than values obtained by using Caucasian and other Asian equations (P < 0.001). A set of spirometric reference equations has been derived using a relatively large, healthy, non-smoking young Korean Chinese population with a wide range of ages and heights, the results of which differ from those gained from several other reference equations. These reference equations should be used for evaluation of lung function in this population.

Keywords: Child; Chinese; Korean; Lung Function; Normal Values.

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