RT Journal Article SR Electronic T1 Validation of a Knowledge Transfer Tool According to the OMERACT Filter: Does Web-based Real-time Iterative Calibration Enhance the Evaluation of Bone Marrow Lesions in Hip Osteoarthritis? JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1713 OP 1717 DO 10.3899/jrheum.161101 VO 44 IS 11 A1 Jacob L. Jaremko A1 Omar Azmat A1 Robert G.W. Lambert A1 Paul Bird A1 Ida K. Haugen A1 Lennart Jans A1 Ulrich Weber A1 Naomi Winn A1 Veronika Zubler A1 Walter P. Maksymowych YR 2017 UL http://www.jrheum.org/content/44/11/1713.abstract AB Objective. To assess reliability and feasibility of using a Web-based interface and interactive online calibration tool for magnetic resonance imaging (MRI) scoring of bone marrow lesions (BML) in osteoarthritis (OA), applied to the Hip MR Inflammation Scoring System (HIMRISS).Methods. Seven readers new to HIMRISS (3 radiologists, 4 rheumatologists) scored coronal short-tau inversion recovery MRI from a hip OA observational study obtained pre- and 8-week poststeroid injection (n = 40 × 2 scans × 2 hips = 160 hips). By crossover design, Group B (4 readers) scored 20 patients (40 hips) using conventional spreadsheet-based methods and then another 20 using a Web-based interface and an online real-time iterative calibration (RETIC) training module. Group A (3 readers) reversed the order, scoring the first 20 subjects by the new method and the final 20 conventionally. Outcomes included ICC and reader survey.Results. Interobserver reliability for BML status was high by both spreadsheet and Web-based methods (0.84–0.90), regardless of the order in which scoring was performed. Reliability of change scores was moderate and improved with training. Improvement was greater in readers who began with the spreadsheet method and then used the Web-based method than in those who began with the Web-based method, especially at the acetabulum. Readers found Web-based/RETIC scoring more user-friendly and nearly 50% faster than traditional spreadsheet methods.Conclusion. HIMRISS offers reliable BML scoring in OA, whether by conventional spreadsheet-based scoring or by a Web-based interface with interactive feedback. The new method allowed faster readings, provided a consistent training environment that helped inexperienced readers achieve reliability equivalent to that of conventional methods, and was preferred by the readers.