LCQ LCQ Scoring and Calculation 3

Question 1

What response scale does each LCQ item use?

Accepted Answer

7-point Likert scale

Answer

Visual analog scale 0–100

Answer

5-point Likert scale

Answer

Numeric rating scale 0–10

Question 2

What time frame does the LCQ ask patients to reflect upon when answering?

Accepted Answer

Past 2 weeks

Answer

Past 24 hours

Answer

Past week

Answer

Past month

Question 3

If a patient answers '1' on every LCQ item, what does this represent?

Accepted Answer

Cough impacts present all of the time — worst quality of life

Answer

No cough impact at all

Answer

Moderate cough burden

Answer

Missing data

Question 4

When computing an LCQ domain score, what happens if a patient skips one item in that domain?

Accepted Answer

The mean is calculated from the completed items only

Answer

The entire domain is invalidated

Answer

The missing item is scored as 7 by default

Answer

The total score is automatically capped

Question 5

Which score on the LCQ total scale suggests a clinically severe cough quality of life impairment?

Accepted Answer

Score below 11

Answer

Score above 18

Answer

Score between 14 and 17

Answer

Score of exactly 21

Question 6

Compared to the Cough-Specific Quality of Life Questionnaire (CSQLQ), the LCQ total score range is:

Accepted Answer

Wider and more granular

Answer

Narrower overall

Answer

Identical in range

Answer

Not comparable as they use different anchors