Research Article

The Clinical COPD Questionnaire Correlated with BODE Index-A Cross-Sectional Study

Table 3

Scores of Clinical COPD Questionnaire score (CCQ) and those of its components in 89 patients with clinically stable chronic obstructive pulmonary disease.

VariableScore (mean ± SD)

CCQ item*
 CCQ1 1 . 1 6 ± 1 . 3 6
 CCQ2 3 . 3 0 ± 2 . 0 3
 CCQ3 1 . 9 3 ± 1 . 7 0
 CCQ4 1 . 6 2 ± 1 . 5 0
 CCQ5 2 . 5 8 ± 1 . 8 1
 CCQ6 2 . 4 6 ± 1 . 6 8
 CCQ7 2 . 8 9 ± 1 . 5 8
 CCQ8 2 . 4 3 ± 1 . 6 3
 CCQ9 1 . 2 6 ± 1 . 5 1
 CCQ10 0 . 5 8 ± 1 . 0 5

CCQ domain
 Symptoms 2 . 3 8 ± 1 . 3 7
 Functional status 1 . 7 9 ± 1 . 3 1
 Mental status 1 . 7 8 ± 1 . 4 9
 CCQ total score 2 . 0 2 ± 1 . 1 6

*An individual CCQ item refers to one individual question in CCQ (see appendix for details), and these items were allocated in one of the three CCQ domains as follows: symptoms (items 1, 2, 5, and 6), functional state (items 7, 8, 9, and 10), and mental state (items 3 and 4).