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Spirometric reference equations for healthy children aged 6 to 11 years in Taiwan

Meng-Chiao Tsai1, Mei-Jy Jeng, Hua-Lun Chang

  • 1Department of Pediatrics, Childrens Medical Center, Taipei Veterans General Hospital, Taipei, Taiwan, R.O.C.

Journal of the Chinese Medical Association : JCMA
|January 28, 2010
PubMed

Insights

Updated spirometry reference values for children aged 6-11 in Taiwan are established. These new equations, based on standing height, aid in assessing pediatric pulmonary function.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Physiology
  • Biostatistics

Background:

  • Spirometry is crucial for assessing lung function.
  • Existing Taiwanese pediatric reference values were outdated.
  • Lack of recent normative data for children aged 6-11 in Taiwan.

Purpose of the Study:

  • To establish updated spirometry reference values and equations.
  • To provide normative data for children aged 6-11 in northern Taiwan.
  • To facilitate accurate pulmonary function assessment in children.

Main Methods:

  • Study enrolled 309 healthy children (153 boys, 156 girls) aged 6-11.
  • Collected and analyzed data from at least 3 spirometry trials per child.
  • Focused on forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), peak expiratory flow rate (PEF), and forced expiratory flow between 25-75% (FEF25-75).

Main Results:

  • Standing height (H) was the primary correlate of pulmonary function parameters.
  • No significant sex-based differences were observed for most parameters.
  • Regression equations were derived: FVC = -2.690 + 0.0330H; FEV1 = -2.559 + 0.0311H; PEF = -300.231 + 3.938H; FEF25-75 = -3.218 + 0.0425H.

Conclusions:

  • Updated normative values and reference equations for Taiwanese children (6-11 years) were determined.
  • These values are essential for evaluating pulmonary function in children of similar ethnicity and lifestyle.
  • The study provides a critical resource for pediatric respiratory health assessment.
Abstract

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