Table 4.
Distribution of medial-to-lateral periarticular bone mineral density (M:L paBMD) changes among knees with medial tibia bone marrow lesion (BML) regression, progression, or no change (n = 308)
| |
Outcome: Medial:lateral paBMD ratio change quartiles (min, max) |
|
|||
|---|---|---|---|---|---|
|
Predictor |
1st Quartile |
2nd Quartile |
3rd Quartile |
4th Quartile |
Proportional odds ratio |
|
(-0.119, -0.021) |
(-0.021, 0.000) |
(0.000, 0.022) |
(0.022, 0.410) |
||
| n = 77 | n = 77 | n = 77 | n = 77 | (95% CI) | |
| BML Regression (-8.44, -0.14 cm3) n = 76 |
14 (18%) |
18 (24%) |
25 (33%) |
19 (25%) |
1.64 (1.00 – 2.69) |
| No BML or no BML change (-0.13, 0.03 cm3) n = 156 |
47 (30%) |
45 (29%) |
30 (19%) |
34 (22%) |
Reference |
| BML Progression (0.04, 6.77 cm3) n = 76 | 16 (21%) | 14 (18%) | 22 (29%) | 24 (32%) | 1.85 (1.12 – 3.04) |
Notes: paBMD, periarticular bone mineral density. Proportional odds ratio of greater quartile of medial paBMD is compared with the referent group.