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Table 4 Cross-sectional association of MRI-detected mediopatellar plica with bone marrow lesions (WORMS grade ≥ 1) in the patellofemoral joint

From: Prevalence of MRI-detected mediopatellar plica in subjects with knee pain and the association with MRI-detected patellofemoral cartilage damage and bone marrow lesions: data from the Joints On Glucosamine study

Compartment

Total

Without mediopatellar plica

With mediopatellar plica

Adjusted odds ratio (95% confidence interval)*

All types

Type A

Type B

Type C

(N = 333)

(N = 179)

N = 159

N = 76

N = 69

N = 18

Medial patella

96

1.00

1.35

0.79

1.90

1.89

(28.1%)

(Reference)

(0.77 – 2.34)

(0.36-1.71)

(0.94-3.80)

(0.63-5.67)

Lateral patella

101

1.00

1.17

1.00

1.20

1.59

(29.5%)

(Reference)

(0.67 – 2.04)

(0.47-2.15)

(0.58-2.50)

(0.51-4.95)

Anterior medial femur

60

1.00

0.95

0.92

0.66

2.75

(17.5%)

(Reference)

(0.51 – 1.78)

(0.41-2.04)

(0.28-1.54)

(0.71-10.68)

Anterior lateral femur

67

1.00

1.55

1.02

1.62

2.97

(19.6%)

(Reference)

(0.81 – 2.99)

(0.41-2.51)

(0.71-3.68)

(0.86-10.23)

  1. *Adjustment for age, gender, BMI, PLR, SA, LPTA, BO, effusion synovitis, Hoffa’s synovitis.
  2. NB) 9 knees without measurement of malalignment were excluded.