2.17. Analysis.
Comparison 2: Early ventilation tubes versus watchful waiting (treatment later if required) , Outcome 17: Adverse event: fibrosis (long‐term)
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.