| Date of search |
8th June 2023 |
| Databases searched |
Scopus, Index Medicus |
| Search terms used |
spondyloarthritis, respiratory, chest, thoracic, diaphragm and ultrasound |
| Timeframe |
2003–2023 |
| Inclusion and exclusion criteria |
Inclusion criteria: study type: cross-sectional studies, comparative studies, randomised controlled trials, systematic literature reviews with or without meta-analysis; language: English, German |
| Exclusion criteria: case reports, case series, articles that do not match thematically despite the search parameters |
| Selection process |
The literature search was conducted independently by two researchers who also performed the initial literature screening |
| A third researcher independently conducted an additional screening of the literature |
| The final selection of literature was made by consensus of all researchers, which was thematically and qualitatively consistent with the research |
