Discriminative and predictive properties of disease-specific and generic health status indexes in elderly COPD patients
2008

Health Status and Mortality in Elderly COPD Patients

Sample size: 449 publication 10 minutes Evidence: moderate

Author Information

Author(s): Conte Maria E, Pedone Claudio, Forastiere Francesco, Bellia Vincenzo, Antonelli-Incalzi Raffaele

Primary Institution: Università Campus Biomedico, Roma, Italy

Hypothesis

Do disease-specific health status measures and multidimensional assessments have comparable prognostic value in elderly COPD patients?

Conclusion

A disease-specific health status index is a better predictor of death than a multidimensional assessment in elderly outpatients with mild-moderate COPD.

Supporting Evidence

  • Pulmonary function worsened with higher SGRQ or MDA scores.
  • Cognitive function was not associated with SGRQ scores.
  • A poor agreement was found between the SGRQ and MDA classification systems.

Takeaway

This study found that a specific health measure can better predict if older COPD patients will die compared to a general health assessment.

Methodology

Data from the Salute Respiratoria nell'Anziano study was analyzed, focusing on 449 elderly patients with bronchial obstruction.

Potential Biases

Potential misclassification of causes of death and underrepresentation of women in the study sample.

Limitations

The study had a lower representation of severe COPD stages and a significant percentage of participants were lost to follow-up.

Participant Demographics

77.3% men, mean age 73.1 years.

Statistical Information

P-Value

0.001

Confidence Interval

1.14 – 3.02

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2466-8-14

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