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Table 2 The mean axial spondyloarthritis (axSpA) confidence scores for the likelihood of axSpA ranging between − 5.0 and 5.0 in MBP and axSpA patients based on MRI assessment only. N (%) if not otherwise stated

From: Differences in topographical location of sacroiliac joint MRI lesions in patients with early axial spondyloarthritis and mechanical back pain

  axSpA (n = 25) MBP (n = 59)
− 5.0 to − 3.0 4 (16%) 36 (61%)
− 2.5 to − 0.5 4 (16%) 12 (20%)
0 2 (8%) 4 (7%)
0.5 to 2.5 2 (8%) 2 (3%)
3.0 to 5.0 13 (52%) 5 (8%)
  1. axSpA axial spondyloarthritis, MBP mechanical back pain, N number