Table 4—

Predictive factors for an acute exacerbation of chronic obstructive pulmonary disease(AECOPD), having at least one versus no exacerbations during the 6-month follow-up

FactorAdjusted OR (95% CI)p-value
Age#0.98 (0.96–1.00)0.077
Dyspnoea1.35 (1.06–1.74)0.017
AECOPD+ in the past 3 yrs n1.14 (1.06–1.23)0.0008
Pulmonary rehabilitation§0.32 (0.15–0.66)0.0021
  • OR: odds ratio; CI: confidence interval. #: per increase in age; : per increase in Medical Research Council dyspnoea scale; +: per increase in exacerbation; §: difference for patients who did not take part in a rehabilitation programme compared with those who did.