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Figure 4 | BMC Pulmonary Medicine

Figure 4

From: Assessing health status in COPD. A head-to-head comparison between the COPD assessment test (CAT) and the clinical COPD questionnaire (CCQ)

Figure 4

Box plot showing the distribution of the CAT, CCQ and SGRQ total scores, grouped by BODE-quartiles. SGRQ = St George’s Respiratory Questionnaire, CAT = COPD Assessment Test, CCQ = Clinical COPD Questionnaire. Horizontal bars represent median. Statistical significance between all three QoL scales: CCQ (p < 0.0001), CAT (p < 0.001) and SGRQ (p < 0.001).

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BMC Pulmonary Medicine

ISSN: 1471-2466

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