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.
Comparison of Bruggrmann Comfort Scale (BCS) scores among the three groups. Bruggrmann Comfort Scale: 0, persistent pain; 1, severe pain while deep breathing or coughing; 2, mild pain while deep breathing or coughing; 3, painless while deep breathing; and 4, painless while coughing. *p < 0.05 versus Group RD1, # p < 0.05 versus Group RD2
