Figure 1.
CDF curve: change in LCQ total score from baseline (day 0) to week 4 (day 28) by PGIC.
CDF, cumulative distribution function; LCQ, Leicester Cough Questionnaire; PGIC, patient global impression of change.
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.