Baseline (mm3) | 24 months (mm3) | Change at 24 months (mm3) | Change at 24 months (percentage) | |
---|---|---|---|---|
Femoral condyle | ||||
Medial | 2,228.9 ± 609.1 | 2,028.3 ± 585.1 | -201.5 ± 178.6 | -9.1 ± 7.5 |
Lateral | 2,155.2 ± 677.6 | 2,105.8 ± 654.3 | -43.8 ± 94.5 | -2.0 ± 4.6 |
Trochlea | 2,974.4 ± 901.4 | 2,835.7 ± 849.5 | -123.8 ± 156.6 | -4.1 ± 5.1 |
Transversal subregions | ||||
Medial | ||||
Posterior | 840.6 ± 240.5 | 802.7 ± 236.5 | -37.9 ± 70.2 | -4.4 ± 7.9 |
Central | 729.2 ± 240.3 | 643.3 ± 232.9 | -87.9 ± 90.4 | -12.0 ± 11.5 |
Anterior | 659.2 ± 213.3 | 582.2 ± 212.0 | -75.7 ± 72.8 | -12.4 ± 12.0 |
Trochlea | 1,307.6 ± 404.9 | 1,225.7 ± 365.0 | -77.8 ± 90.9 | -5.5 ± 6.1 |
Lateral | ||||
Posterior | 578.6 ± 192.9 | 571.9 ± 193.1 | -4.8 ± 43.5 | -0.9 ± 7.6 |
Central | 931.9 ± 323.8 | 903.0 ± 312.2 | -28.3 ± 53.4 | -2.9 ± 6.2 |
Anterior | 644.7 ± 210.2 | 631.0 ± 203.2 | -10.8 ± 32.5 | -1.7 ± 5.6 |
Trochlea | 1,666.7 ± 537.8 | 1,610.1 ± 529.9 | -46.0 ± 98.7 | -3.0 ± 6.8 |
Tibial plateau | ||||
Medial | 1,320.4 ± 419.9 | 1,195.0 ± 373.2 | -126.0 ± 117.0 | -9.3 ± 7.5 |
Lateral | 1,673.8 ± 520.8 | 1,563.1 ± 466.9 | -101.9 ± 98.1 | -6.1 ± 5.7 |
Concentric zones | ||||
Medial | ||||
Border ring | 709.0 ± 242.0 | 660.1 ± 211.9 | -47.9 ± 57.1 | -6.2 ± 6.3 |
Center ring | 611.4 ± 192.6 | 534.9 ± 181.8 | -78.1 ± 70.0 | -13.0 ± 10.9 |
Lateral | ||||
Border ring | 790.2 ± 249.1 | 746.3 ± 224.0 | -39.0 ± 44.3 | -5.0 ± 5.7 |
Center ring | 883.6 ± 286.1 | 816.8 ± 260.3 | -62.9 ± 60.3 | -7.2 ± 7.8 |
Transversal subregions | ||||
Medial | ||||
Posterior | 397.6 ± 140.5 | 380.1 ± 128.4 | -17.1 ± 36.1 | -3.7 ± 7.7 |
Central | 566.7 ± 191.6 | 484.6 ± 179.7 | -84.2 ± 72.4 | -15.0 ± 12.0 |
Anterior | 356.1 ± 130.2 | 330.3 ± 116.7 | -24.7 ± 36.0 | -6.8 ± 10.3 |
Lateral | ||||
Posterior | 515.5 ± 176.7 | 474.9 ± 154.5 | -36.6 ± 41.3 | -7.1 ± 8.9 |
Central | 791.7 ± 265.4 | 729.7 ± 244.4 | -59.5 ± 56.0 | -7.8 ± 8.4 |
Anterior | 366.5 ± 122.3 | 358.4 ± 115.2 | -5.8 ± 18.3 | -1.6 ± 5.0 |