LCQ LCQ Research and Evidence Base

Question 1

In what year was the Leicester Cough Questionnaire first published?

Accepted Answer

2003

Answer

1998

Answer

2010

Answer

2015

Question 2

Which journal first published the original LCQ validation study?

Accepted Answer

European Respiratory Journal

Answer

Thorax

Answer

Lancet

Answer

American Journal of Respiratory and Critical Care Medicine

Question 3

What was the primary finding of the original LCQ validation study?

Accepted Answer

The LCQ demonstrated good validity, reliability, and responsiveness in chronic cough patients

Answer

The LCQ correlated poorly with objective cough counts

Answer

The LCQ was only valid for COPD patients

Answer

The LCQ required further development before clinical use

Question 4

The MCID of 1.3 points for the LCQ was established through which type of analysis?

Accepted Answer

Anchor-based analysis using patient global ratings of change

Answer

Expert consensus only

Answer

Normative population data

Answer

Pharmacoeconomic modeling

Question 5

How many clinical studies had used the LCQ as an outcome measure as of recent literature reviews?

Accepted Answer

Over 100 studies across multiple disease areas

Answer

Fewer than 10 studies

Answer

Only 3 original validation studies

Answer

LCQ has not yet been used in clinical drug trials

Question 6

Which study design provides the strongest evidence for the LCQ's responsiveness to treatment?

Accepted Answer

Randomized controlled trials demonstrating score changes following effective treatment

Answer

Cross-sectional population surveys

Answer

Expert opinion studies

Answer

Retrospective chart reviews