RR of incident or enlarging BML in the ipsilateral compartment by different severity of meniscal pathology
| Incident or enlarging BML*† | Crude RR (95% CI) | Adjusted RR (95% CI)‡ | |
|---|---|---|---|
| Medial meniscus pathology | |||
| None | 71/601 (12%) | 1.0 (ref) | 1.0 (ref) |
| Minor | 100/426 (23%) | 2.0 (1.5 to 2.6) | 1.8 (1.3 to 2.3) |
| Major | 109/317 (34%) | 2.9 (2.2 to 3.8) | 2.4 (1.8 to 3.2) |
| Lateral meniscus pathology | |||
| None | 63/1117 (6%) | 1.0 (ref) | 1.0 (ref) |
| Minor | 34/141 (24%) | 4.3 (2.9 to 6.3) | 4.0 (2.7 to 5.9) |
| Major | 28/84 (33%) | 5.7 (3.9 to 8.5) | 5.0 (3.2 to 7.7) |
↵* Missing value for two knees for the lateral compartment.
↵† χ2 test for trend p<0.001 for both medial and lateral compartment.
↵‡ Poisson regression (using generalised estimating equations) adjusted for age, sex, body mass index, physical activity level, and mechanical axis at baseline.
BML, bone marrow lesion; ref, reference category.