Table 4 |
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|
Regression analysesa of association between tissue abnormalities detected by CR and/or MRI and biomechanical factors |
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|
Quadriceps strength (Nm/kg) |
Hamstrings strength (Nm/kg) |
Proprioceptive accuracy (degrees) |
Varus-valgus laxity (degrees) |
||
|
|
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|
Conventional radiography |
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|
JSWb |
MTF |
-0.12 (0.16) |
0.02 (0.84) |
-0.03 (0.78) |
-0.22 (0.02) |
|
LTF |
-0.07 (0.37) |
-0.03 (0.71) |
-0.08 (0.42) |
0.26 (<0.01) |
|
|
PF |
-0.18 (0.03) |
0.09 (0.28) |
-0.03 (0.80) |
-0.14 (0.13) |
|
|
Osteophyteb |
MTF |
-0.03 (0.69) |
0.04 (0.66) |
-0.10 (0.31) |
0.07 (0.47) |
|
LTF |
-0.06 (0.51) |
0.06 (0.46) |
-0.05 (0.63) |
0.26 (<0.01) |
|
|
PF |
-0.09 (0.30) |
0.06 (0.44) |
-0.09 (0.38) |
-0.08 (0.37) |
|
|
Magnetic resonance imaging |
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|
Cartilage integrity |
MTF |
-0.15 (0.07) |
0.00 (0.97) |
0.11 (0.25) |
-0.22 (0.02) |
|
LTF |
-0.05 (0.55) |
0.09 (0.30) |
0.05 (0.61) |
0.07 (0.44) |
|
|
PF |
-0.17 (0.04) |
0.10 (0.24) |
-0.02 (0.86) |
-0.11 (0.23) |
|
|
Osteophytes |
MTF |
-0.05 (0.56) |
0.11 (0.18) |
0.08 (0.43) |
-0.08 (0.36) |
|
LTF |
-0.08 (0.33) |
0.05 (0.58) |
0.02 (0.88) |
0.02 (0.87) |
|
|
PF |
-0.12 (0.15) |
-0.01 (0.95) |
-0.03 (0.77) |
-0.17 (0.06) |
|
|
BML |
MTF |
0.03 (0.76) |
0.12 (0.13) |
0.16 (0.11) |
-0.06 (0.48) |
|
LTF |
-0.05 (0.54) |
0.12 (0.13) |
-0.05 (0.62) |
0.12 (0.18) |
|
|
PF |
0.01 (0.91) |
0.16 (0.06) |
-0.17 (0.08) |
-0.12 (0.19) |
|
|
Effusionc |
-0.16 (0.05) |
-0.08 (0.34) |
0.11 (0.26) |
0.08 (0.40) |
|
|
Synovitisd |
-0.21 (0.01) |
-0.11 (0.17) |
0.03 (0.76) |
-0.02 (0.83) |
|
|
|
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|
Data presented as standardized regression coefficient β (P value). Significant associations (P <0.05) in bold. BML, bone marrow lesion; CR, conventional radiography; JSW, joint space width; LTF, lateral tibiofemoral compartment; MRI, magnetic resonance imaging; MTF, medial tibiofemoral compartment; PF: patellafemoral compartment. aAdjusted for age, gender and duration of knee symptoms. bDefinite/severe abnormality compared with none/mild abnormality (reference group). cMedium/large effusion compared with no/small effusion (reference group). dPresence of synovitis in at least one region compared with absence of synovitis (reference group). |
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|
Knoop et al. Arthritis Research & Therapy 2012 14:R212 doi:10.1186/ar4050 |
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