Unravelling the Information Contained in the Single Items of the COPD Assessment Test for Different Outcomes and Smoking Status in Patients with COPD: Results from COSYCONET

Peter Alter, Kathrin Kahnert, Franziska C Trudzinski, Robert Bals, Henrik Watz, Tim Speicher, Sandra Söhler, Klaus F Rabe, Emiel F M Wouters, Claus F Vogelmeier, Rudolf A Jörres · 2024

Read Unravelling the Information Contained in the Single Items of the COPD Assessment Test for Different Outcomes and Smoking Status in Patients with COPD: Results from COSYCONET by Peter Alter, Kathrin Kahnert, Franziska C Trudzinski, Robert Bals, Henrik Watz, Tim Speicher, Sandra Söhler, Klaus F Rabe, Emiel F M Wouters, Claus F Vogelmeier, Rudolf A Jörres (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11626970.txt.

Description

Alter leads a large team dissecting what each question of a COPD symptom questionnaire adds in a 2024 paper. The eight-item test is routine in lung clinics. Data came from a large German cohort spanning all disease grades.

The total score beat single items for most outcomes, including death and flare-up risk. Patterns differed between current smokers and nonsmokers, with items carrying more signal in nonsmokers. For flare-ups, value was similar in both groups. In smokers, some items pulled in opposite directions and canceled out in the total. A lung transfer measure linked to the total only in nonsmokers. The authors say item-level reading can squeeze more from a familiar test. Results may guide routine assessment.

Catalog record

CREATORPeter Alter, Kathrin Kahnert, Franziska C Trudzinski, Robert Bals, Henrik Watz, Tim Speicher, Sandra Söhler, Klaus F Rabe, Emiel F M Wouters, Claus F Vogelmeier, Rudolf A Jörres
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE28 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11626970

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