Automated detection of active and structural MRI lesions in the sacroiliac joints in axial spondyloarthritis: training and validation across 3 phase III clinical trial datasets

Study limitation reported by the research below: “Total sample size of n=1,101 is derived by summing all three trial cohorts (MEASURE 1: 132; PREVENT: 555; SURPASS: 414); the paper does not report a single combined N explicitly.”