9.
Subgroup analysis: Summary ROC plot of Doppler trans‐thoracic echocardiograph for PH by thresholds under the bivariate model
Abbreviations: RAP: right atrial pressure; ROC: receiver operating characteristic.
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.