Häckel, Sonja; Oswald, Katharina A C; Koller, Leonie; Benneker, Lorin M; Benneker, Layla A; Sadiqi, Said; Oner, F Cumhur; Deml, Moritz C (2023). Reliability and Validity of the German Version of the AO Spine Patient Reported Outcome Spine Trauma Questionnaire. (In Press). Global spine journal(21925682231156124), p. 21925682231156124. Sage 10.1177/21925682231156124
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STUDY DESIGN
A single-center validation study.
OBJECTIVE
To translate and cross-culturally adapt the AO Spine PROST (Patient Reported Outcome Spine Trauma) into German, and to test its psychometric properties among German-speaking Swiss spine trauma patients.
METHODS
Patients were recruited from a level-1 Swiss trauma center. Next to the AO Spine PROST, the EQ-5D-3L questionnaire was used for concurrent validity. Questionnaires were filled out at two-time points for test-retest reliability. Patient characteristics were analyzed using descriptive statistics. For content validity, floor, and ceiling effects, as well as any irrelevant and missing questions were analyzed. Construct validity of the AO Spine PROST questionnaire to the EQ-5D-3L was tested using Spearman correlation tests.
RESULTS
The AOSpine PROST was translated and adapted into German using established guidelines. We included 179 patients. The floor effect for all items was well within the optimal range (below 15%), while the ceiling effect of seven items was within the optimal range. None of the items displayed a problematic floor or ceiling effect. The overall test-retest reliability of the total PROST score was excellent, with an ICC of .83 (95% CI .69-.91). The Spearman correlation coefficient between the total PROST summary score and EQ-5D-3 L was ρ = .63.
CONCLUSIONS
The German version of the AO Spine PROST questionnaire demonstrated very good validity and reliability results.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
04 Faculty of Medicine > Department of Orthopaedic, Plastic and Hand Surgery (DOPH) > Clinic of Orthopaedic Surgery |
UniBE Contributor: |
Häckel, Sonja, Oswald, Katharina Anna Christine, Benneker, Lorin Michael, Deml, Moritz Caspar |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
2192-5690 |
Publisher: |
Sage |
Language: |
English |
Submitter: |
Pubmed Import |
Date Deposited: |
09 Feb 2023 10:17 |
Last Modified: |
10 Feb 2023 06:05 |
Publisher DOI: |
10.1177/21925682231156124 |
PubMed ID: |
36751047 |
Uncontrolled Keywords: |
AO spine PROST outcome instrument patient perspective spine trauma |
BORIS DOI: |
10.48350/178556 |
URI: |
https://boris.unibe.ch/id/eprint/178556 |
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