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Table 5 Changes of CCQ and SGRQ scores in subjects who successful quitted smoking fortwo months (n = 36)

From: Development, validity and responsiveness of the Clinical COPD Questionnaire

 

Baseline

2 months SC

p value

CCQ

   

Healthy smokers (n = 19)

0.6 (0.1–2.1)

0.3 (0.0–1.6) *

0.012

GOLD (0-III) (n = 17)

1.5 (0.5–4.7)

1.0 (0.2–3.0) *

0.035

SGRQ

   

GOLD (0-III) (n = 12)

27.0 (8.1–62.4)

23.9 (6.3–53.1)

0.433

  1. SGRQ = St. George Respiratory Questionnaire. SC = smoking cessation. * p < 0.05. Wilcoxon U test.