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Peak expiratory flow rate of normal school going children in Mymensingh municipality

M N Islam1, M N Islam, M A Hoque

  • 1Dr Md Nurul Islam, Lecturer, Department of Community Medicine, Mymensingh Medical College (MMC), Mymensingh, Bangladesh.

Mymensingh Medical Journal : MMJ
|August 29, 2013
PubMed

Insights

This study measured lung function in Bangladeshi children. Boys showed significantly higher peak expiratory flow rate (PEFR) than girls, with height being the strongest predictor.

Area of Science:

  • Pediatric Pulmonology
  • Public Health
  • Anthropometry

Background:

  • Baseline peak expiratory flow rate (PEFR) data for Bangladeshi children are limited.
  • PEFR is a reproducible and easily measurable lung function indicator.
  • Understanding normal PEFR values is crucial for diagnosing respiratory conditions.

Purpose of the Study:

  • To establish normative PEFR values for school-going children aged 6-15 years in Mymensingh, Bangladesh.
  • To investigate the relationship between PEFR and anthropometric parameters (age, height, weight, body surface area) in this population.
  • To compare PEFR between boys and girls.

Main Methods:

  • A cross-sectional study involving 984 children (499 boys, 485 girls) from randomly selected schools in Mymensingh.
  • PEFR was measured using a mini Wright peak flow meter, with the highest of three readings recorded.
  • Anthropometric measurements (height, weight) were taken, and body surface area was calculated.

Main Results:

  • Significant differences in PEFR were observed between boys and girls in most age categories (p<0.01).
  • Height demonstrated the strongest positive correlation with PEFR in both boys (r=0.961) and girls (r=0.954).
  • Boys consistently exhibited higher PEFR values than girls across all heights.

Conclusions:

  • Height is a primary determinant of PEFR in Bangladeshi children.
  • Sex-based differences in PEFR are evident from an early age.
  • These findings provide essential reference values for pediatric respiratory health assessments in Bangladesh.

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