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Table 4 Meniscal and bone changes in osteoarthritis patients at baseline

From: Long term evaluation of disease progression through the quantitative magnetic resonance imaging of symptomatic knee osteoarthritis patients: correlation with clinical symptoms and radiographic changes

 

Slow

Intermediate

Fast

P valuea

Meniscus

    

   Severe medial extrusion

19% (9)b

42% (20)

73% (8)c

0.001

   Medial tear

73% (35)

83% (40)

90% (10)c

0.28

   Severe medial tear

23% (11)

38% (18)

73% (8)

0.005

   Lateral tear

50% (24)

54% (26)

45% (5)

0.84

   Severe lateral tear

8% (4)

13% (6)

9% (1)

0.80

Bone

    

   Medial edema

52% (25)

60% (29)

73% (8)

0.21

   Severe medial edema

4% (2)

16% (7)

18% (2)

0.20

   Medial and/or lateral edema

54% (26)

73% (35)

90% (10)d

0.03

  1. ap values from ANOVA. bNumbers in parentheses are absolute numbers of patients. cp < 0.0001, Chi-squared, fast versus slow. dp < 0.05, Chi-squared, fast versus slow.