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Table 2 Distribution of total BML volume change when stratified by tertiles based on total baseline BML volume

From: Evaluation of bone marrow lesion volume as a knee osteoarthritis biomarker - longitudinal relationships with pain and structural changes: data from the Osteoarthritis Initiative

  

Total BML volume change (by quartile with middle two quartiles collapsed)

Total baseline BML volume

Total BML volume change

Median (min, max)

cm 3

'BML regression'

(Range: -12.7 to -0.8 cm 3 )

n (% of baseline tertile)

'Minimal or

no BML change'

(Range: -0.8 to 0.4 cm 3 )

n (% of baseline tertile)

'BML progression'

(Range: 0.4 to 10.2 cm 3 )

n (% of baseline tertile)

'No or Small BML volume'

(Range: 0.1 to 1.0 cm3)

0.0 (-0.7, 4.2)

0 (0.0%)

108 (80.6%)

26 (19.4%)

'Moderate BML volume'

(Range: 1.0 to 2.7 cm3)

-0.1 (-2.5, 5.0)

24 (17.8%)

68 (50.4%)

43 (31.9%)

'Large BML volume'

(Range: 2.7 to 15.5 cm3)

-1.1 (-12.7, 10.2)

77 (57.0%)

26 (19.3%)

32 (23.7%)

  1. The division of total baseline bone marrow lesion (BML) volume and total BML volume change was based on tertiles. n = 404.