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Table 2 Outcome measures

From: Warm homes for older people: aims and methods of a randomised community-based trial for people with COPD

Primary outcome measure Number of Moderate and severe exacerbations of COPD
Secondary outcome measures A Severe exacerbations of COPD for which hospitalisation (ICD-10 code: J44) is required to treat the exacerbation;
  Moderate exacerbations of COPD; defined as requiring treatment with systemic corticosteroids and/or antibiotics.
  Hospitalisations for key lower respiratory tract illnesses (ICD-10 codes: J40-J47)
  All-cause hospitalisation
  Temperature in the living and bedrooms
  Electricity usage
  Costs to health care system
Secondary outcome measures-B Self-reported quality of life
  Respiratory health of other people living in household
  Any changes in COPD severity (i.e. change in FEV1)
  Study withdrawals due to death or greater dependency
  Net benefits (benefits relative to costs) of the intervention.
  Support person burden