From: MRI-detected osteophytes of the knee: natural history and structural correlates of change
 | Stable or decreased OPs | Increased OPs | p |
---|---|---|---|
N = 222 | N = 191 | ||
Age (years) | 62.2 ± 7.3 | 62.9 ± 7.0 | 0.30 |
Female (%) | 53 | 47 | 0.22 |
BMI (kg/m2) | 26.9 ± 3.9 | 28.5 ± 4.9 | < 0.01 |
Baseline total cartilage defect score (0–4) | 1.48 ± 0.73 | 2.13 ± 1.03 | < 0.01 |
Baseline total BML score (0–3) | 0.33 ± 0.56 | 0.59 ± 0.78 | < 0.01 |
Baseline total tibial CV (ml) | 5.11 ± 1.22 | 5.08 ± 1.13 | 0.80 |
Baseline meniscal extrusion score (0–2) | 0.13 ± 0.36 | 0.27 ± 0.51 | < 0.01 |
Total effusion-synovitis score (0–3) | 1.90 ± 0.67 | 2.08 ± 0.81 | 0.01 |
Suprapatellar effusion-synovitis score (0–3) | 1.53 ± 0.64 | 1.76 ± 0.84 | 0.01 |
Central portion effusion-synovitis score (0–3) | 1.56 ± 0.71 | 1.65 ± 0.77 | 0.19 |
Posterior femoral recess effusion-synovitis score (0–3) | 0.66 ± 0.79 | 0.76 ± 0.78 | 0.14 |
Subpopliteal recess effusion-synovitis score (0–3) | 0.60 ± 0.79 | 0.78 ± 0.94 | 0.04 |
IPFP area (cm2) | 7.6 ± 1.2 | 7.7 ± 1.3 | 0.18 |
Presence of IPFP abnormality (%) | 75% | 82% | 0.10 |
IPFP quality score (0–6) | 1.45 ± 1.21 | 2.12 ± 1.64 | < 0.01 |
Baseline total OP score (0–36) | 2.80 ± 3.45 | 7.62 ± 7.70 | < 0.01 |