Fig. 2.
Consort flow diagram. ∗1 subject subsequently rescreened and randomised. ∗∗1 Subject subsequently randomised. PVPI, pulmonary vascular permeability index.
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.