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.
Dyspnea-12 (D-12) score relative to modified Medical Research Council breathlessness scale (mMRC) score, change and duration of breathlessness. Table shows β coefficients (CI) from simple linear regression. To facilitate comparison between scales of different ranges, the points represent the β coefficient percentage of a scale range with 95% CI. ref: reference.
