Figure 3From: Detecting exacerbations using the Clinical COPD Questionnaire Change in CCQ-total score for different exacerbation related week types compared to stable weeks. R.EXA = Recovered Exacerbation week, P.EXA = Post-Exacerbation week, STABLE = Stable week, U.EXA = Unrecovered Exacerbation week, C.EXA = Continued Exacerbation week, ST.EXA = Exacerbation Stop week, Unpaired t-test; *: p < 0.01, **: p < 0.001.Back to article page