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Table 4 Correlations between CCQ and SGRQ in patients with COPD (n = 38)

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

 

Clinical COPD Questionnaire

 

Symptom

Functional state

Mental state

Total

SGRQ

    

   Symptoms

0.75**

0.49**

0.60**

0.72**

   Activity

0.25

0.69**

0.52**

0.53**

   Impact

0.47**

0.69**

0.61**

0.67**

   Total

0.51**

0.75**

0.67**

0.71**

  1. SGRQ = St. George Respiratory Questionnaire (higher score indicates worse HRQOL) * P < 0.05; ** P < 0.01, Spearman's rank correlation.