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Prediction Equations for FVC and FEV1 among Korean Children Aged 12 Years / 예방의학회지
Korean Journal of Preventive Medicine ; : 60-64, 1999.
Article in Korean | WPRIM | ID: wpr-155961
ABSTRACT

OBJECTIVES:

Changes in lung function are frequently used as biological markers to assess the health effects of criteria air pollutants. We tried to formulate the prediction models of pulmonary functions based on height, weight, age and gender, especially for children aged 12 years who are commonly selected for the study of health effects of the air pollution.

METHODS:

The target pulmonary function parameters were forced vital capacity(FVC) and forced expiratory volume in one second(FEV1). Two hundreds and fifity-eight male and 301 female 12-year old children were included in the analysis after excluding unsatisfactory tests to the criteria recommended by American Thoracic Sosiety and excluding more or less than 20% predicted value by previous prediction equations. The weight prediction equation using height as a independent variable was calculated, and then the difference of observed weight and predicted weight (i.e. residual) was used as the independent variable of pulmonary function prediction equations with height.

RESULTS:

The prediction equations of FVC and FEV1 for male are FVC(ml) = 50.84 x height(cm) + 7.06 x weight residual - 4838.86, FEV1(ml) = 43.57 x height(cm) + 3.16 x weight residual - 4156.66, respectively. The prediction equations of FVC and FEV1 for female are FVC(ml) = 42.57 x height(cm) + 12.50 x weight residual - 3862.39, FEV1(ml) = 36.29 x height(cm) + 7.74 x weight residual - 3200.94, respectively.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Biomarkers / Forced Expiratory Volume / Air Pollutants / Air Pollution / Lung Type of study: Prognostic study Limits: Child / Female / Humans / Male Language: Korean Journal: Korean Journal of Preventive Medicine Year: 1999 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Biomarkers / Forced Expiratory Volume / Air Pollutants / Air Pollution / Lung Type of study: Prognostic study Limits: Child / Female / Humans / Male Language: Korean Journal: Korean Journal of Preventive Medicine Year: 1999 Type: Article