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Spirometric values in Tunisian children: relationship with pubertal status

Y Trabelsi1, Z Tabka, J P Richalet

  • 1Université de Sousse, Sousse, Tunisia. trabelsiyassine@yahoo.fr

Annals of Human Biology
|June 15, 2007
PubMed

Insights

Lung function in Tunisian children significantly improves with pubertal stage, independent of height. Pubertal status is crucial for standardizing lung function measurements in pediatric populations.

Area of Science:

  • Pediatric Pulmonology
  • Growth and Development
  • Anthropometry

Background:

  • Limited understanding of pubertal stage impact on lung function in Tunisian children.
  • Need for age-appropriate lung function reference values.

Purpose of the Study:

  • To investigate the relationship between lung function parameters and pubertal stage in healthy Tunisian children.
  • To assess the influence of anthropometric parameters on this relationship.

Main Methods:

  • Spirometry performed on 684 healthy Tunisian children (8-16 years).
  • Pubertal status assessed using the Tanner Method for both sexes.
  • Analysis of covariance used to adjust for anthropometric variables.

Main Results:

  • Significant increases in forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), peak expiratory flow (PEF), maximal expiratory flow at 50% of FVC (MEF50), and maximal mid-expiratory flow (MMEF25-75) with pubertal stage.
  • Pubertal status demonstrated an independent effect on several lung function parameters after adjusting for height and age.
  • Height and age showed a positive correlation with lung function parameters across pubertal stages.

Conclusions:

  • Lung function parameters in healthy Tunisian school children increase with age, height, and pubertal stage.
  • Pubertal status is a significant factor in lung function assessment and should be considered for standardization.
  • Relying solely on height for lung function standardization is insufficient; pubertal status offers a more comprehensive approach.
Abstract

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