Figure 5From: Course of COPD assessment test (CAT) and clinical COPD questionnaire (CCQ) scores during recovery from exacerbations of chronic obstructive pulmonary disease Correlations between CAT and CCQ changes in scores between exacerbation and recovery. Correlation of scores in the global population R = 0.594 (p < 0.001), in outpatient exacerbations R = 0.561 (p < 0.0001) and in inpatient exacerbations R = 0.591 (p < 0.0001).Back to article page