From: MRI-detected osteophytes of the knee: natural history and structural correlates of change
 | Multivariable* | Multivariable** |
---|---|---|
RR (95% CI) | RR (95% CI) | |
Increased total MRI-detected OP (yes or no) | ||
 Total effusion-synovitis | 1.23 (1.05, 1.45) | 1.08 (0.94, 1.24) |
 Suprapatellar effusion-synovitis | 1.25 (1.09, 1.45) | 1.08 (0.92, 1.64) |
 Central portion effusion-synovitis | 1.11 (0.96, 1.29) | 1.06 (0.94, 1.20) |
 Posterior femoral recess effusion-synovitis | 1.14 (0.97, 1.33) | 1.05 (0.93, 1.19) |
 Subpopliteal recess effusion-synovitis | 1.15 (1.03, 1.29) | 1.07 (0.97, 1.18) |
 IPFP quality score (0–6) | 1.17 (1.10, 1.24) | 1.08 (1.01, 1.15) |
 IPFP maximum area (cm2) | 1.04 (0.93, 1.16) | 1.03 (0.93, 1.14) |
 IPFP abnormal change (yes/no) | 1.21 (0.91, 1.60) | 0.91 (0.69, 1.22) |
Increased medial MRI-detected OP (yes or no) | ||
 Total effusion-synovitis | 1.25 (0.91, 1.73) | 1.13 (0.84, 1.51) |
 Suprapatellar effusion-synovitis | 1.31 (0.96, 1.80) | 1.15 (0.89, 1.48) |
 Central portion effusion-synovitis | 1.14 (0.83, 1.58) | 1.02 (0.75, 1.39) |
 Posterior femoral recess effusion-synovitis | 1.10 (0.83, 1.46) | 1.01 (0.76, 1.33) |
 Subpopliteal recess effusion-synovitis | 1.22 (0.99, 1.52) | 1.09 (0.88, 1.34) |
 IPFP quality score (0–6) | 1.40 (1.24, 1.57) | 1.20 (1.06, 1.37) |
 IPFP maximum area (cm2) | 0.96 (0.77, 1.20) | 0.96 (0.78, 1.19) |
 IPFP abnormal change (yes/no) | 3.17 (1.31, 7.65) | 1.87 (0.73, 4.79) |
Increased lateral MRI-detected OP (yes or no) | ||
 Total effusion-synovitis | 1.40 (1.13, 1.75) | 1.27 (1.03, 1.57) |
 Suprapatellar effusion-synovitis | 1.37 (1.22, 1.68) | 1.22 (1.01, 1.47) |
 Central portion effusion-synovitis | 1.24 (1.00, 1.53) | 1.16 (0.97, 1.40) |
 Posterior femoral recess effusion-synovitis | 1.18 (0.97, 1.43) | 1.08 (0.91, 1.28) |
 Subpopliteal recess effusion-synovitis | 1.12 (0.96, 1.31) | 1.08 (0.94, 1.25) |
 IPFP quality score (0–6) | 1.29 (1.19, 1.40) | 1.19 (1.08, 1.30) |
 IPFP maximum area (cm2) | 1.02 (0.89, 1.18) | 1.05 (0.91, 1.21) |
 IPFP abnormal change (yes/no) | 1.87 (1.15, 3.03) | 1.40 (0.87, 2.25) |