3.1. Analysis.
Comparison 3 Subgroup analysis: by type of surgery (tonsillectomy or adenotonsillectomy versus no surgery) in children, Outcome 1 Episodes of sore throat of any severity (not including as one episode the period post‐surgery).
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.