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Table 3 Cross-sectional association of MRI-detected mediopatellar plica with cartilage damage (WORMS grade ≥ 2) 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

2.12*

1.87

4.20*

0.68

(28.1%)

(Reference)

(1.23–3.64)

(0.94-3.71)

(1.92-9.19)

(0.23-2.06)

Lateral patella

101

1.00

1.06

0.65

1.45

2.36

(29.5%)

(Reference)

(0.62-1.81)

(0.31-1.38)

(0.71-2.99)

(0.70-8.03)

Anterior medial femur

60

1.00

1.17

1.02

1.21

1.86

(17.5%)

(Reference)

(0.70-1.96)

(0.52-2.00)

(0.62-2.39)

(0.58-5.94)

Anterior lateral femur

67

1.00

1.19

1.07

1.21

1.31

(19.6%)

(Reference)

(0.65-2.20)

(0.48-2.40)

(0.54-2.71)

(0.38-4.54)

  1. *Numbers in boldface represent statistically significant results with p<0.05.
  2. **Adjustment for age, gender, BMI, PLR, SA, LPTA, BO, effusion synovitis, Hoffa’s synovitis.
  3. NB) 9 knees without measurement of malalignment were excluded.