LCQ LCQ Research and Evidence Base

Question 1

In what year was the Leicester Cough Questionnaire first published?

Accepted Answer

2003

Answer

The LCQ was first published in 2003 by Birring et al. in the European Respiratory Journal, establishing its initial validation.

Question 2

Which journal first published the original LCQ validation study?

Accepted Answer

European Respiratory Journal

Answer

The original LCQ validation study was published in the European Respiratory Journal in 2003.

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 original 2003 validation study confirmed that the LCQ had good construct validity, internal consistency (Cronbach's alpha >0.90), and responsiveness to treatment change.

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

The LCQ MCID of approximately 1.3 points was determined through anchor-based analysis, where patient global impressions of change served as the external anchor.

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

The LCQ has been used as an outcome measure in over 100 clinical studies spanning COPD, asthma, ILD, and pharmacological and behavioral treatments for chronic cough.

LCQ - Leicester Cough Questionnaire Practice Test

LCQ - Leicester Cough Questionnaire Practice Test

LCQ LCQ Research and Evidence Base