Collection of Exacerbation Data in Paggiaro et al., 1998

• Exacerbation history: at least 1/ year (treated by physician or hospital) for previous 3 years

• Exacerbation: worsening of COPD symptoms requiring changes to normal treatment

• Exacerbation severity:

  • Mild: patient self-managed at home
  • Moderate: patient treated by a physician
  • Severe: patient hospitalized

• Multiple exacerbations requiring OCS were allowed

Paggiaro et al. Lancet. 1998; 351:773-780.

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