Leicester Cough Questionnaire: Difference between revisions
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Leicester Cough Questionnaire (LCQ) is | Leicester Cough Questionnaire (LCQ) is an English-born self-reporting quality of life measure of chronic cough, developed by S.S. Birring. It consists of 19 items with a 7 point Likert response scale. It generally takes about 5 minutes to be completed and it is designed for adults. Since the first development in 2003 LCQ has been translated and validated in several languages (Dutch, French, Korean, Lithuanian, Mandarin Chinese, Polish, Portuguese, Spanish, Swedish, Thai). LCQ has been used as an outcome measure for different respiratory diseases like COPD, Cystic Fibrosis, non-CF bronchiectasis. | ||
Objective | |||
This instrument has been developed to detect the effect of chronic cough on health status and consequently on quality of life of chronic respiratory diseases patients. | |||
Clinimetric properties of LCQ | Clinimetric properties of LCQ | ||
Revision as of 09:35, 16 June 2018
Leicester Cough Questionnaire (LCQ) is an English-born self-reporting quality of life measure of chronic cough, developed by S.S. Birring. It consists of 19 items with a 7 point Likert response scale. It generally takes about 5 minutes to be completed and it is designed for adults. Since the first development in 2003 LCQ has been translated and validated in several languages (Dutch, French, Korean, Lithuanian, Mandarin Chinese, Polish, Portuguese, Spanish, Swedish, Thai). LCQ has been used as an outcome measure for different respiratory diseases like COPD, Cystic Fibrosis, non-CF bronchiectasis.
Objective
This instrument has been developed to detect the effect of chronic cough on health status and consequently on quality of life of chronic respiratory diseases patients.
Clinimetric properties of LCQ
| Concurrent Validity | English Vers. | Dutch Vers. | Mandarin Vers. | Korean Vers. | French Vers. | Thai Vers. | Spanish Vers. | Swedish Vers. | Polish Vers. | Lithuanian Vers. |
|---|---|---|---|---|---|---|---|---|---|---|
| Cough VAS | -0.72 | -0.58 | -0.39 | 0.40 | ||||||
| SGRQ - total | -0.56 | -0.60 | -0.66 | -0.55 | -0.49 | |||||
| SF36 – total | 0.46 | 0.41 | 0.55 | 0.33 | ||||||
| Borg Cough Scale | -0.41 | -0.74 | ||||||||
| HADS - total | -0.46 | -0.36 | u.v. | |||||||
| Cough symptom score | -0.66 | |||||||||
| CASA-Q | 0.58-0.81 | |||||||||
| CAT | -0.69 | |||||||||
| EQ5D | -0.59 |
SGRQ: Saint George respiratory Questionnaire; VAS: Visual Analogue Scale; SF-36: Short Form-36; HADS: Hospital Anxiety and Depression Scale; CASA-Q: Cough and Sputum Assessment Questionnaire; CAT: COPD Assessment Test; EQ5D: EuroQol five-dimensional Questionnaire; u.v.: unreported value by authors because non significant
All data are expressed as r-correlation coefficient between total scores of each instruments listed and are all statistically significant unless specified.
| Repeatability | Intraclass Correlation Coefficient |
|---|---|
| English Version | 0.96 |
| Dutch Version | 0.93 |
| Mandarin Chinese Version | 0.89 |
| Korean Version | 0.75 |
| French Version | 0.85 |
| Thai Version | 0.91 |
| Spanish Version | 0.84 |
| Swedish version | 0.96 |
| Polish Version | 0.99 |
| Lithuanian Version | 0.89 |
| Internal consistency and Reliability | Cronbach’s
alpha coefficient |
|---|---|
| English Version | 0.92 |
| Dutch Version | 0.93 |
| Mandarin Chinese Version | 0.93 |
| Korean Version | 0.94 |
| French Version | 0.92 |
| Thai Version | 0.92 |
| Spanish Version | 0.91 |
| Swedish version | 0.97 |
| Polish Version | 0.89 |
| Lithuanian Version | 0.93 |
