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Table 5 Comparison between the CCQ scores before and after smoking cessation among COPD patients (n = 26)

From: Smoking cessation can improve quality of life among COPD patients: Validation of the clinical COPD questionnaire into Greek

   Before After    
  N Mean ± SD Mean ± SD p-value1 ICC 95% C.I
CCQ total scores before and after 26 1.08 ± 0.82 0.72 ± 0.69 <0.001 0.848 0.690 - 0.929
On average, during the past 24 hours, how often did you feel:
Short breath at rest 26 0.50 ± 0.86 0.19 ± 0.49 0.054 0.367 -0.016 - 0.656
Short of breath doing physical activities? 26 0.88 ± 1.10 0.50 ± 0.86 0.008 0.793 0.591 - 0.902
Concerned about getting a cold or your breathing getting worse? 26 0.88 ± 1.21 0.30 ± 0.73 0.005 0.595 0.276 - 0.795
Depressed (down) because of your breathing problems? 26 0.65 ± 1.01 0.34 ± 0.79 0.011 0.820 0.638 - 0.915
In general, during the past 24 hours, how much of the time:
Did you cough? 26 1.65 ± 1.44 1.00 ± 1.23 0.002 0.734 0.491 - 0.871
Did you produce phlegm? 26 1.38 ± 1.09 0.92 ± 0.89 0.008 0.711 0.452 - 0.859
On average, during the past 24 hours, how limited were you in these activities because of your breathing problems:
Strenuous physical activities 26 2.53 ± 1.88 2.19 ± 1.38 0.083 0.825 0.648 - 0.918
Moderate physical activities 26 1.46 ± 1.83 1.19 ± 1.60 0.161 0.844 0.683 - 0.927
Daily activities at home 26 0.61 ± 1.09 0.38 ± 0.94 0.034 0.874 0.738 - 0.941
Social activities 26 0.23 ± 0.58 0.19 ± 0.56 0.317 0.942 0.876 - 0.974
  1. 1: Non parametric tests were applied.