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Table 5 Change in cartilage thickness (ThCtAB) over one year in participants with without and with more than 1% denuded area (dAB) in the medial tibia or the medial weight-bearing femoral condyle at baseline

From: Relationship of compartment-specific structural knee status at baseline with change in cartilage morphology: a prospective observational study using data from the osteoarthritis initiative

  No MFTC.dAB > 1% (n = 106) MFTC.dAB > 1% (n = 50) MT.dAB > 1% (n = 37) cMF.dAB > 1% (n = 36)
  MC% SRM P (FUvs.BL) MC% SRM P (FUvs.BL) MC% SRM P (FUvs.BL) MC% SRM P (FUvs.BL)
MT -0.1 -0.04 0.69131 -1.6 -0.43 0.00602 -1.6 -0.42 0.02582 -1.9 -0.51 0.00539
cMF -1.9 -0.34 0.00073 -2.2 -0.25 0.09440 -1.4 -0.15 0.41551 -4.4 -0.51 0.00540
MFTC -1.0 -0.30 0.00256 -1.9 -0.35 0.02198 -1.5 -0.27 0.14541 -3.0 -0.57 0.00232
cMT -0.3 -0.07 0.47903 -2.4 -0.46 0.00318 -2.5 -0.42 0.02605 -3.4 -0.62 0.00105
ccMF -2.9 -0.35 0.00044 -2.7 -0.23 0.12063 -1.8 -0.14 0.44502 -5.4 -0.47 0. 01001
cMFTC -1.5 -0.32 0.00134 -2.5 -0.38 0.01261 -2.2 -0.29 0.11271 -4.2 -0.64 0.00074
  1. The P value indicates the level of significance for changes between year one follow up (FU) versus baseline (BL) data using a paired t-test.
  2. ccMF = central subregion of the weight bearing medial femoral condyle; cMF = weight bearing medial femoral condyle; cMFTC = central medial femorotibial compartment; cMT = central subregion of the medial tibia; MC% = mean change (in %); MFTC = medial femorotibial compartment; MT = medial tibia; SRM = standardized response mean (mean change/SD of change).