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Table 5 Correlations between mMRC and each item of CAT scores

From: Differences in classification of COPD group using COPD assessment test (CAT) or modified Medical Research Council (mMRC) dyspnea scores: a cross-sectional analyses

 

mMRC

Spearman’s rho

P value

Each item of CAT

Cough

.310**

<.0001

 

sputum

.290**

<.0001

 

Chest tightness

.345**

<.0001

 

dyspnea

.731**

<.0001

 

activities

.625**

<.0001

 

confidence

.654**

<.0001

 

Sleep quality

.381**

<.0001

 

Energy level

.526**

<.0001

  1. **Correlation is significant at the <0.01 level.
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BMC Pulmonary Medicine

ISSN: 1471-2466

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