Validity of Asthma Control Test in Assessing Asthma Control in Czech Outpatient Setting

Elena Gurková1, Patrice Popelková2

  • 1Department of Nursing, Faculty of Health Care, University of Presov, Presov, Slovak Republic.

Insights

The Asthma Control Test (ACT) shows fair agreement with Global Initiative for Asthma (GINA) guidelines for classifying asthma control in the Czech Republic. ACT is a reliable tool for managing outpatients with asthma.

Area of Science:

  • Pulmonology
  • Respiratory Medicine
  • Clinical Trials

Background:

  • Asthma control assessment is crucial for effective patient management.
  • Standardized tools are needed to reliably classify asthma control.
  • The Asthma Control Test (ACT) and Global Initiative for Asthma (GINA) guidelines are widely used but their agreement requires validation in diverse populations.

Purpose of the Study:

  • To determine the reliability and validity of the agreement between the Asthma Control Test (ACT) and Global Initiative for Asthma (GINA) criteria for asthma control classification.
  • To assess the utility of the ACT in the Czech Republic's healthcare setting.

Main Methods:

  • A cohort of 316 asthma patients was recruited from a university hospital in Ostrava.
  • Data collection involved the Asthma Control Test (ACT) and Mini Asthma Quality of Life Questionnaire (Mini-AQLQ).
  • Asthma control was independently assessed by a specialist using GINA 2006 guidelines.

Main Results:

  • The ACT demonstrated good internal consistency.
  • An ACT score of ≥20 predicted GINA-defined controlled asthma with 65% sensitivity and 89% specificity.
  • The agreement between ACT and GINA classifications was fair (kappa = 0.29).
  • ACT scores correlated significantly with specialist ratings, FEV1, and health-related quality of life.

Conclusions:

  • The ACT is a reliable and simple tool for managing outpatients with asthma in the Czech Republic.
  • The ACT effectively predicts GINA-defined 'not-controlled asthma'.
  • ACT scores show a strong correlation with lung function and quality of life, supporting its clinical utility.
Abstract

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