Table 1. Peak KAM, KAM impulse, and peak KFM at baseline in knees without and with semiquantitative cartilage damage progression and bone marrow lesion progression, mean (SD) (n = 391 knees from 204 persons).
Cartilage damage progression at 2-year follow-up | Bone marrow lesion progression at 2-year follow-up | ||||||
---|---|---|---|---|---|---|---|
Medial tibiofemoral compartment 61/391 (15.6%)# |
Medial femoral surface 48/391 (12.3%) |
Medial tibial surface 29/391 (7.4%) |
Medial tibiofemoral compartment 87/391 (22.3%) |
Medial femoral surface 53/391 (13.6%) |
Medial tibial surface 48/391 (12.3%) |
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Peak KAM (% body wt*ht) |
Knees without progression | 1.66 (0.87) | 1.67 (0.86) | 1.65 (0.86) | 1.59 (0.86) | 1.65 (0.87) | 1.60 (0.85) |
Knees with progression | 1.70 (0.77) | 1.68 (0.81) | 1.83 (0.76) | 1.92 (0.77) | 1.77 (0.73) | 2.15 (0.71) | |
KAM impulse (s*% body wt*ht) |
Knees without progression | 0.60 (0.43) | 0.60 (0.43) | 0.59 (0.43) | 0.55 (0.42) | 0.59 (0.44) | 0.56 (0.42) |
Knees with progression | 0.64 (0.50) | 0.64 (0.51) | 0.73 (0.51) | 0.79 (0.47) | 0.70 (0.43) | 0.92 (0.45) | |
Peak KFM (% body wt*ht) |
Knees without progression | 2.11 (0.86) | 2.10 (0.86) | 2.10 (0.86) | 2.08 (0.89) | 2.09 (0.88) | 2.10 (0.87) |
Knees with progression | 1.98 (0.80) | 2.01 (0.81) | 1.98 (0.84) | 2.13 (0.74) | 2.15 (0.71) | 2.08 (0.78) |
Percentage of knees (%) with 2-year progression