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Table 2 Evaluation of medial meniscus extrusion using MRI and comparison of MTE–MFC distance and medial joint space width using the Rosenberg view in the two groups

From: Preliminary diagnosis of medial meniscus posterior root tears using the Rosenberg radiographic view

 

Group A

Group B

P value

Medial meniscus extrusion (range)

4.1 ± 1.1 (3.0–5.7)

1.8 ± 1.5 (0.2–2.0)

< 0.05

MTE–MFC distance (range)

7.7 ± 1.7 (4.9–12.9)

6.0 ± 1.2 (2.9–7.4)

< 0.05

     Difference between affected and contralateral knee (range)

2.2 ± 1.0 (0.9–4.6)

− 0.1 ± 0.7 (− 1.7–1.4)

< 0.05

Medial joint space width (range)

3.2 ± 0.8 (2.4–6.5)

4.5 ± 0.7 (3.8–7.0)

< 0.05

     Difference between affected and contralateral knee (range)

−1.3 ± 0.7 (− 0.4–-2.8)

−0.1 ± 0.6 (− 1.7–0.6)

< 0.05

  1. Data are presented as a mean ± standard deviation. Statistical differences were evaluated using the Student’s t test
  2. MRI magnetic resonance imaging, MTE medial tibial eminence, MFC medial femoral condyle