Frank Behrens, Michaela Koehm, Eva C. Schwaneck, Marc Schmalzing, Holger Gnann, Gerd Greger, Hans-Peter Tony, Harald Burkhardt

Use of a “critical difference” statistical criterion improves the predictive utility of the Health Assessment Questionnaire-Disability Index score in patients with rheumatoid arthritis
BMC Part of Springer nature,
https://bmcrheumatol.biomedcentral.com/articles/10.1186/s41927-019-0095-2
Published Online December 10, 2019; DOI: 10.1186/s41927-019-0095-2