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Regression equations for peak expiratory flow in healthy children aged 7 to 14 years from Punjab, India

Shallu Mittal1, Sharat Gupta, Avnish Kumar

  • 1Department of Physiology, Government Medical College, Patiala, Punjab, India.

Lung India : Official Organ of Indian Chest Society
|September 20, 2013
PubMed

Insights

This study measured peak expiratory flow (PEF) in healthy Punjabi children aged 7-14 years. Height, age, and weight significantly correlated with PEF, with height showing the strongest link.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Physiology
  • Public Health

Background:

  • Peak expiratory flow (PEF) is crucial for managing childhood asthma.
  • Lung function varies significantly due to regional, racial, and genetic factors.

Purpose of the Study:

  • To establish normative PEF values for healthy Punjabi children aged 7-14 years.
  • To address the scarcity of lung function data in North Indian children.

Main Methods:

  • A cross-sectional study involving 366 healthy schoolchildren (186 boys, 180 girls) in Patiala.
  • PEF measured using the Mini Wright Peak Flow Meter; best of three trials recorded.
  • Age, height, and weight recorded; statistical analysis performed using SPSS v. 13.

Main Results:

  • Age, height, and weight showed significant positive correlations with PEF in both genders.
  • Height demonstrated the strongest correlation with PEF (boys: r=0.970, girls: r=0.964).
  • Mean PEF was higher in boys (249.34 ± 81.36 L/min) than girls (233.31 ± 67.06 L/min).

Conclusions:

  • Regression equations for PEF estimation were developed based on age, height, and weight for both genders.
  • These equations will aid clinicians in assessing airway obstruction in this specific population.
  • Provides essential reference data for Punjabi children's respiratory health assessment.
Abstract

Keywords:
Airway obstructionlung functionpeak expiratory flowprediction equationpunjabschool children

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