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.
Linear Regression Analysis of Associations between Percent Emphysema and Heart Function Indicators in Chronic Obstructive Pulmonary Disease Patients with Pulmonary Hypertension
Note.- *Correlations were examined using linear regression correlation coefficient, †p < 0.05. CO = cardiac output, EDV = end-diastolic volume, EF = ejection fraction, ESV = end-systolic volume, LV = left ventricle, RV = right ventricle, SV = stroke volume
