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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.