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Table 5 Comparison of WOMAC scores with CEA-BML, STIR-BML and Nvoxel–parameters

From: Assessment of subchondral bone marrow lesions in knee osteoarthritis by MRI: a comparison of fluid sensitive and contrast enhanced sequences

Method Segmentation parameter WOMAC - pain WOMAC - total
Correlation coefficienta 95% CI 2-tailed p Correlation coefficienta 95% CI 2-tailed p
MS CEA-BML 0.47 0.20 0.67 0.001 0.49 0.23 0.69 0.001
BML 0.46 0.19 0.67 0.002 0.49 0.23 0.69 0.001
CAS bCEA-BML 0.40 0.12 0.63 0.008 0.37 0.08 0.61 0.014
BML 0.37 0.09 0.60 0.012 0.39 0.11 0.62 0.009
Dynamika Nvoxel 0.37 0.06 0.62 0.022 0.44 0.14 0.66 0.006
ME x Nvoxel 0.39 0.08 0.63 0.016 0.45 0.15 0.67 0.005
IRE x Nvoxel 0.20 −0.12 0.49 0.22 0.28 −0.04 0.55 0.086
  1. Data was analyzed using imaging data from the entire medial knee joint, irrespective of baseline/follow-up. BML and Nvoxel were calculated based on the relative involvement. MExNvoxel and IRExNvoxel were calculated by multiplying the absolute number of Nvoxel by ME and IRE, respectively
  2. aSpearman’s rank correlation data
  3. b5 femoral and 3 tibial outliers excluded