Table 7

COPD exacerbations outcome: comparison between control and intervention groups (intention to treat)

COPD exacerbations outcomeBetween-group difference*
Adjusted difference at follow-up (95% CI)P value
Whole cohort1.14 (0.87 to 1.49)0.34

  • Control n=214; intervention n=437.

  • *Calculated using incidence rate ratio and adjusted for clustering, age, gender, deprivation and baseline number of exacerbations.

  • COPD, chronic obstructive pulmonary disease.