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Normal spirometric values in healthy Hispanic Americans.

R O Crapo1, R L Jensen, J E Lockey

  • 1Department of Medicine, LDS Hospital, Salt Lake City 84143.

Chest
|December 1, 1990
PubMed
Summary
This summary is machine-generated.

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This study developed spirometry reference equations for Hispanic Americans. Ethnic-specific equations are recommended for accurate lung function assessment, especially for male FVC and FEV1.

Area of Science:

  • Pulmonary Medicine
  • Clinical Physiology
  • Ethnic Health Disparities

Background:

  • Spirometry is crucial for diagnosing lung diseases.
  • Existing reference equations may not accurately represent diverse ethnic populations.
  • Hispanic Americans are a growing demographic with potentially unique physiological characteristics.

Purpose of the Study:

  • To establish normative spirometry reference equations for healthy Hispanic Americans.
  • To compare these equations with those derived from other ethnic groups.
  • To assess the impact of ethnicity on spirometric indices.

Main Methods:

  • Measured forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), FEV1/FVC ratio, and FEF25-75% in 259 healthy Hispanic Americans.
  • Developed linear regression equations using height, age, and weight.

Related Experiment Videos

  • Compared derived equations with data from North American Indians and White subjects.

    • Main Results:

    • Weight was a significant predictor only for female FEV1.
    • No significant differences were found in age and height coefficients across ethnic groups.
    • Small biases (differences in intercepts) were observed for male FVC and FEV1 between White and Hispanic American/North American Indian men.

    Conclusions:

    • Linear regression equations for spirometry were established for Hispanic Americans.
    • Ethnic-specific equations are recommended, particularly for male FVC and FEV1, due to observed small biases.
    • These findings highlight the importance of considering ethnicity in pulmonary function testing.