Figure 2.
Scatter plot of the correlation between the CAT score and the SGRQ total score.
Abbreviations: CAT, COPD assessment test; COPD, chronic obstructive pulmonary disease; SGRQ, St George’s Respiratory Questionnaire.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.