The Chronic Respiratory Disease Questionnaire (CRQ) is the most commonly used disease specific measurement tool to assess HRQL in patients with chronic . Due to their widespread and thorough validation, the following questionnaires are recommended: Chronic Respiratory Disease Questionnaire (CRDQ or CRQ) . To measure health related quality of life in patients with chronic respiratory disease.

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High response rates to this type of questionnaire have been achieved in outpatient settings; however, the interview form is quite expensive 13 and time consuming. Based on these interviews, items were rated on their importance questiinnaire grouped into 1 of 4 categories: Although the authors determined questioonnaire the self-administered version of the CRQ perceives analogous levels of mastery, emotional function, and fatigue, they state that the different versions of the test should not be used interchangeably.

Chronic Respiratory Disease Questionnaire-CRQ

With the development of the self-administered CRQ, validity of the newer instrument was established by comparing it to the gold standard of the original version. These changes might be missed if physiological measures are used alone. The CRQ are validated and reliable quality of life measures for patients with chronic airflow limitations. ICCs of short term reliability ranged from 0. They were also contacted following each office visit. In a study by Redelmeier et al, 24 CRQ score differences were also found to be moderately correlated with subjective comparison ratings questionnzire by patients regarding despiratory and others.

This degree of questinonaire reliability has been shown for both the individualized and standardized forms of the CRQ. From these results, the researchers concluded that the CRQ has excellent reliability.


The self-administered questionnaire is also reported to have high reliability. In the fatigue domain, which was not reliable as a whole, 3 of the 4 individual items showed insignificant correlation.

This is most likely due to the fact that it includes domains of both physical and emotional health. The original CRQ also included a section with individualized questions about dyspnea. Construct validity refers to an instrument’s ability to measure the constructs, or abstract concepts, that it intends to measure. Combining scores from different patient reported outcome measures in meta-analyses: Available literature has repeatedly illustrated the ability of the CRQ to generate results that are reproducible in a variety of settings.

Construct validity was maximized during the original development of the questionnaire rsspiratory using a multistep process to determine and incorporate the significant aspects of HRQL that are affected by pulmonary disease.

Chronic Respiratory Disease Questionnaire-CRQ

Initial testing of reproducibility, responsiveness, and validity was also completed. Validity was determined to be strong; no statistically significant difference between the 2 instruments was found in the fatigue and mastery domains, and the small mean differences found in the dyspnea 0.

List questionnare page or see all. Georges Respiratory Questionnaire and four other health-related quality of life instruments for patients with chronic lung disease.

CRQ – Chronic Respiratory Disease Questionnaire

Measuring health related quality of life. This may also increase the chances of the patient answering more honestly. Many vhronic have examined the correlation between CRQ scores and the physiologic factors believed to contribute to dysfunction in patients with pulmonary disease. The original interviewer administered CRQ requires 20 to 25 minutes for the first administration and 10 to 15 minutes for each follow up visit. Guyatt’s study illustrates that the CRQ has adequate responsiveness to detect highly significant differences, even within small numbers of subjects.


Wyrwich et al 15 used triangulation methods to identify clinically important differences based on both patient and primary care provider PCP perceived differences. Patient determined minimal clinically important differences typically are associated with smaller change scores than physician or expert determined MCIDs, but in general small clinically important changes are associated with score differences of 0.

Wijkstra et al chroni found that the internal consistency of the dyspnea domain to be much lower than the other 3. The expert panel recommended that MCID be associated with a change greater than 2 points in the domain score. Measuring patient and clinical perspectives to evaluate change in health-related quality of life among patients with chronic obstructive pulmonary disease.

Outcomes in Cardiopulmonary Physical Therapy: Chronic Respiratory Disease Questionnaire (CRQ)

The following results were reported: The researchers estimated that on average, scores on the CRQ needed to change resipratory about 0. Also available is the self-administered version of the CRQ. Please review our privacy policy.

The CRQ requires a licensing agreement as well as a significant time commitment for administration.

In the clinic, it is not quesrionnaire necessary to measure outcomes of treatment regarding the intervention process, but it is also essential to measure the extent to which the patient feels the treatment has influenced their condition and quality of life. He also found that the MCID correlated with a change of 0.