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Updated: Jun 20, 2026

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
06:11

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults

Published on: February 9, 2022

Predictive equations for lung function based on a large occupational population in North China.

Yonghui Wu1, Zhongyi Zhang, Baoqi Gang

  • 1Department of Occupational Health, School of Public Health, Harbin Medical University, PR China.

Journal of Occupational Health
|September 26, 2009
PubMed
Summary

New lung function predictive equations were developed for North China using updated data. These equations, based on age and height, provide more accurate reference values for spirometry in adults.

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Last Updated: Jun 20, 2026

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
06:11

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults

Published on: February 9, 2022

Area of Science:

  • Pulmonary Medicine
  • Respiratory Physiology
  • Biostatistics

Background:

  • Current lung function predictive equations for North China are outdated, necessitating updated reference values.
  • Existing equations are nearly two decades old and may not accurately reflect the current population.

Purpose of the Study:

  • To derive new, sex-specific spirometric predictive equations for lung function in North China.
  • To establish updated reference values for key pulmonary parameters.

Main Methods:

  • Utilized American Thoracic Society (ATS) standards for spirometry.
  • Derived equations for forced vital capacity (FVC), forced expiratory volume in one second (FEV(1)), FEV(1)/FVC ratio, and FEF(25-75%) from 2,897 healthy non-smokers.
  • Employed stepwise multiple regression analysis with age and height as primary predictors.

Main Results:

  • Age and height were significant predictors for all lung function parameters.
  • Weight was a significant predictor in approximately half of the derived equations.
  • Validated equations showed high accordance with independent data, outperforming existing equations.

Conclusions:

  • Newly developed predictive equations provide ideal reference values for adult lung function in North China.
  • These updated equations are crucial for accurate clinical assessment and population studies.