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Text in black is part of the template used to create this document and is not under review. Please review the blue text; this text represents the changes made to the template that are specific to this QRS instrument. |
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Revision History
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2023-03-23 | 2.0 |
| 2023-03-23 | 2.0 |
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2015-02-18 | 1.0 | Initial Final Version |
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The “Chronic Respiratory Disease Questionnaire Self-Administered Standardized (CRQ-SAS)”, authored by Drs. Gordon Guyatt and Holger Schünemann, was made under license from McMaster University, Hamilton, Canada (Copyright ©2001, McMaster University). The CRQ-SAS is provided under license from McMaster University and may not be copied, distributed or used in any way without the prior written consent of McMaster University. Contact the McMaster Industry Liaison Office at: milo@mcmaster.ca for licensing details.
The CDISC documentation of this instrument consists of: (1) controlled terminology, (2) standard database structure with examples, and (3) CRF(s) annotated with the CDISC SDTMIG variables with submission values.
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The CRF is attached at the top of the Wiki. When you click the paperclip image, you will find the file for the annotated CRF. |
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The CRQ-SAS First Administration is a multiple choice patient reported outcome (PRO) assessment that clinicians may use to measure health-related quality of life (HRQL) in patients with chronic respiratory diseases. It consists of 20 items with each item graded on a 7-point or 8-point Likert scale.
- The scale points include a numeric rating (1-7) and a definition of what is represented by the rating (e.g., 1 = "All of the time"). For the CRQ-SAS FIRST ADMINISTRATION VERSION, QSORRES is populated with the text description while the numeric rating is represented in the standardized character and numeric result variables QSSTRESC and QSSTRESN.
aa. The first 5 questions have a questionnaire choice of “8 = Not Done”. The result of “8” is included in QSSTRESC and QSSTRESN; however, users need to follow the scoring Solution solution in their approved copyright permission. The time period of evaluation for theCRQ-SAS FIRST ADMINISTRATION VERSION is populated in the QSEVLINTfield in ISO 8601 format when the evaluation interval can be precisely described as duration. The evaluation interval for the CRQ-SAS FIRST ADMINISTRATION VERSION is the LAST 2 WEEKS (QSEVLINT = "-P2W").
Records are created in qs.xpt for every item on the instrument:
For items with no data, QSORRES, QSSTRESC, and QSSTRESN are all missing and QSSTAT = "NOT DONE". If the reason is known then that reason is represented in QSREASND (e.g., QSREASND = "PREFER NOT TO ANSWER"). If the reason is unknown, then QSSTAT = "NOT DONE" and QSREASND is missing.
Terminology
QSCAT, QSTESTCD, QSTEST, QSORRES, QSSTRESC, and QSSTRESN values are included in CDISC Controlled Terminology.
A full list of value sets for the result fields is provided in Section 4, SDTM Mapping Strategy.
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