MRI cartilage volume (mm
3
)
| | | | |
Global knee
|
12,439 ± 2,451
|
12,181 ± 3,894
|
12,280 ± 2,414
|
0.347
|
Femur
|
8,872 ± 1,799
|
8,998 ± 2,769
|
8,784 ± 1,950
|
0.381
|
Condyle
|
5,873 ± 1,220
|
5,678 ± 1,784
|
5,825 ± 1,552
|
0.288
|
Plateau
|
3,567 ± 907
|
3,183 ± 1,467
|
3,497 ± 727
|
0.395
|
Medial compartment
|
6,232 ± 1,258
|
5,919 ± 2,098
|
6,101 ± 1,473
|
0.333
|
Femur
|
4,594 ± 884
|
4,602 ± 1,451
|
4,474 ± 1,103
|
0.288
|
Condyle
|
3,094 ± 541
|
2,878 ± 912
|
3,043 ± 915
|
0.172
|
Plateau
|
1,639 ± 516
|
1,317 ± 791
|
1,626 ± 524
|
0.424
|
Lateral compartment
|
6,207 ± 1,404
|
6,207 ± 1,404
|
6,180 ± 1,476
|
0.300
|
Femur
|
4,278 ± 1,030
|
4,397 ± 1,415
|
4,309 ± 1,002
|
0.445
|
Condyle
|
2,779 ± 768
|
2,800 ± 1,019
|
2,782 ± 798
|
0.496
|
Plateau
|
1,928 ± 595
|
1,865 ± 766
|
1,870 ± 738
|
0.720
|
Meniscal extrusion (presence)
| | | | |
Medial compartment
|
7 (28%)
|
3 (33%)
|
11 (69%)
|
0.006†
|
Lateral compartment
|
1 (4%)
|
1 (11%)
|
4 (25%)
|
0.023†
|
Meniscal tears (presence)
| | | | |
Medial compartment
|
14 (56%)
|
5 (56%)
|
10 (63%)
|
0.347†
|
Lateral compartment
|
3 (12%)
|
1 (11%)
|
7 (44%)
|
0.011†
|
Bone marrow lesions (presence)
| | | | |
Medial compartment
|
13 (54%)a
|
8 (89%)
|
10 (63%)
|
0.246†
|
Condyle
|
4 (17%)a
|
1 (11%)
|
3 (19%)
|
0.447†
|
Plateau
|
12 (50%)a
|
7 (78%)
|
10 (63%)
|
0.186†
|
Lateral compartment
|
9 (38%)a
|
5 (56%)
|
7 (44%)
|
0.321†
|
Condyle
|
1 (4%)a
|
0 (0%)
|
1 (6%)
|
0.395†
|
Plateau
|
8 (33%)a
|
5 (56%)
|
10 (63%)
|
0.032†
|
Synovial membrane thickness (mm)
| | | | |
Global
|
2.23 ± 0.66
|
2.32 ± 0.51
|
2.13 ± 0.52
|
0.427
|
Medial compartment
|
2.27 ± 1.28b
|
2.14 ± 0.58
|
1.97 ± 0.42c
|
0.390
|
Medial recess
|
2.02 ± 0.96d
|
1.91 ± 0.62
|
1.93 ± 0.82c
|
0.399
|
Medial suprapatellar bursa
|
2.89 ± 1.57e
|
2.73 ± 1.00f
|
2.13 ± 0.68e
|
0.111
|
Lateral compartment
|
2.21 ± 0.75
|
2.47 ± 0.68
|
2.19 ± 0.73
|
0.402
|
Lateral recess
|
1.90 ± 0.64a
|
2.07 ± 0.76
|
2.15 ± 0.55c
|
0.027
|
Lateral suprapatellar bursa
|
2.64 ± 1.42b
|
2.96 ± 1.15g
|
2.26 ± 1.18
|
0.228
|
Synovial effusion (ml)
|
11.22 ± 7.74
|
14.40 ± 10.3
|
12.40 ± 6.40
|
0.202
|