Table 2.

Participant Characteristics

Number of participants	160
Age (mean(SD))	61 ± 9.9
BMI (mean(SD))	30.3 ± 4.7
Sex	50% female
Race
White	132/160 (82.5%)
Black/African American	25/160 (15.6%)
Other	3/160 (1.9%)
WOMAC Pain Composite Score (mean(SD)) [possible range 0–20]	5.2 ± 3.9
Prevalence of Weight-bearing Knee Pain	86/160 (53.8%)
Prevalence of Non-weight-bearing Knee Pain	44/160 (27.5%)
Maximal Bone Marrow Lesion Scores
0	14/160 (8.8%)
1	47/160 (29.3%)
2	36/160 (22.5%)
3	63/160 (39.4%)
Effusion Scores
0	26/160 (16.3%)
1	62/160 (38.7%)
2	55/160 (34.4%)
3	17/160 (10.6%)
Synovitis Scores
0	7/160 (4.4%)
1	79/160 (49.4%)
2	54/160 (33.7%)
3	20/160 (12.5%)