2.1. Analysis.
Comparison 2 Ivacaftor (VX‐770) versus placebo in people with at least one G551D CFTR mutation, Outcome 1 CFQ‐R score (respiratory domain, child version) ‐ adjusted change from baseline.
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.