Table 2

Descriptive longitudinal characteristics of knees with medial tibia bone marrow lesion (BML) regression, progression, or no change
Variable BML regression (n= 76) No BML or No BML change (n= 156) BML progression (n= 76)
Median (Min, Max) or n (%) Median (Min, Max) or n (%) Median (Min, Max) or n (%)
BML volume change (cm3) -0.36 (-8.44, -0.14) -0.02 (-0.13, 0.03) 0.21 (0.04, 6.77)
Medial tibia paBMD change (g/cm2) 0.002 (-0.149, 0.164) -0.011 (-0.107, 0.149) -0.001 (-0.091, 0.168)
M:L paBMD ratio (change) 0.005 (-0.119, 0.291) -0.007 (-0.102, 0.091) 0.003 (-0.080, 0.410)
Medial tibia sclerosis progression 5 (7.0%) 2 (1.3%) 7 (10.0%)

Notes: paBMD, periarticular bone mineral density; M:L paBMD ratio, medial-to-lateral paBMD ratio.

Driban et al.

Driban et al. Arthritis Research & Therapy 2013 15:R153   doi:10.1186/ar4336

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