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Ventilatory function in Malay female workers in Singapore.

S E Chia1, S Y Hoe

  • 1Department of Industrial Health, Ministry of Labour, Singapore.

Annals of the Academy of Medicine, Singapore
|July 1, 1988
PubMed
Summary

This study on Malay female telephonists found that lung function, specifically Forced Expiratory Volume (FEV1) and Forced Vital Capacity (FVC), is linked to age and height. Differences in lung function were noted across various racial groups.

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Area of Science:

  • Pulmonary Medicine
  • Occupational Health
  • Anthropometry

Background:

  • Ventilatory function, including FEV1 and FVC, can vary significantly across different ethnic and racial populations.
  • Establishing reference values for specific demographic groups is crucial for accurate clinical assessment.

Purpose of the Study:

  • To determine the relationship between ventilatory function (FEV1 and FVC) and anthropometric factors (age, height, weight) in Malay females.
  • To derive regression equations for predicted normal values of FEV1 and FVC in this population.
  • To compare the ventilatory function of Malay females with other racial groups.

Main Methods:

  • Spirometry was used to measure Forced Expiratory Volume in the first second (FEV1) and Forced Vital Capacity (FVC).
  • A study population of 195 Malay female telephonists in Singapore was analyzed.
  • Regression analysis was performed to assess the relationship between lung function parameters and anthropometric data.

Main Results:

  • FEV1 and FVC showed a significant correlation with age and height, but not with weight.
  • Regression equations were developed to predict normal FEV1 and FVC values for Malay females.
  • Significant differences in FEV1 and FVC were observed when comparing Malay females to Chinese, Indian, African, British, White, and Black American women.

Conclusions:

  • Age and height are key determinants of ventilatory function in Malay females.
  • The derived regression equations provide a basis for establishing normal lung function values for this specific population.
  • Observed racial variations in FEV1 and FVC align with previous research, highlighting the importance of ethnic-specific reference standards.

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