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August 1960

Pulmonary Function Studies in Children

Author Affiliations

From the Pulmonary Function Laboratory, Department of Medicine, The State University of New York College of Medicine at New York City, Brooklyn, and the Kings County Hospital Center, Brooklyn.; State University of New York, Downstate Medical Center, 450 Clarkson Ave. (3).

Am J Dis Child. 1960;100(2):196-207. doi:10.1001/archpedi.1960.04020040198007

Reports on the abnormalities of pulmonary functions in children afflicted with poliomyelitis have appeared recently.1,2 Such studies are difficult to evaluate because of inadequate reference standards in children. Normal pediatric standards of reference have not yet been established with modern respiratory function equipment or by any large-scale studies. The present study was made to provide standard values for estimation of normal vital capacity (VC), maximum expiratory flow rate (MEFR), and timed vital capacity (TVC).

The group in the present study was composed of 1,163 apparently healthy elementary school children.* The population was composed of 624 boys and 539 girls. This group ranged in age from 6 to 14 years with 15% of the sample composed of adolescents.† The group was predominantly middle class in background, of various national origins, and mainly of the Caucasian race.

Methods and Materials  A Blodgett-Osborn spirometer‡ with a high speed kymograph was used in

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