Spirometry in the Lung Health Study. 1. Methods and quality control.

  title={Spirometry in the Lung Health Study. 1. Methods and quality control.},
  author={Paul L. Enright and Lynelle Johnson and John E. Connett and H T Voelker and A. Sonia Buist},
  journal={The American review of respiratory disease},
  volume={143 6},
The Lung Health Study is a randomized clinical trial designed to determine whether a smoking intervention program and prescription of an inhaled bronchodilator can reduce the annual rate of decline of FEV1 (FEV1 slope) in cigarette smokers with mild to moderate airflow limitation. During the recruitment period, spirometry measurements were obtained during three screening visits from 5,887 cigarette smokers 35 to 60 yr of age. To improve the statistical power of the study to detect significant… CONTINUE READING

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