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Table 3 Summary of study findings (significant associations*)

From: Biomechanical factors and physical examination findings in osteoarthritis of the knee: associations with tissue abnormalities assessed by conventional radiography and high-resolution 3.0 Tesla magnetic resonance imaging

 

Associations with MRI features

Associations with radiographic features

Biomechanical factors

  

   Quadriceps strength

Cartilage integrity in PF compartment, effusion and synovitis associated with lower quadriceps strength

Joint space width in PF compartment associated with lower quadriceps strength

   Hamstrings strength

-

-

   Proprioceptive accuracy

-

-

   Laxity

Cartilage integrity in MTF compartment associated with lower varus-valgus laxity

Joint space width in MTF compartment associated with lower varus-valgus laxity; joint space width in LTF compartment and osteophytes in LTF compartment associated with higher varus-valgus laxity

Physical examination findings

 

   Bony tenderness

-

-

   Crepitus

Cartilage integrity in LTF compartment, osteophytes in MTF, LTF and PF compartment and effusion associated with presence of crepitus

-

   Bony enlargement

-

-

   Palpable warmth

-

-

  1. LTF, lateral tibiofemoral compartment; MRI, magnetic resonance imaging; MTF, medial tibiofemoral compartment; PF, patellafemoral compartment. *P <0.05.