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Table 1 Patients’ demographic characteristics and clinical data

From: The characteristic findings of an inverted-type discoid lateral meniscus tear: a hidden tear pattern

 

Inverted group

(n = 12)

Non-inverted group

(n = 12)

P-value

History of trauma (cases)*

12

7

0.03***

Positive findings of the McMurray test (cases)*

4

5

0.68

Positive findings of locking or catching (cases)*

1

3

0.59

Diagnosis of DLM tear by MRI (cases)*

3

9

0.04***

“Inverted sign” (cases)*

9

0

< 0.05***

Knee extension angle (°)**

−2.7 ± 5.1

−1.6 ± 3.2

0.56

Knee flexion angle (°)**

128.7 ± 23.3

132.9 ± 25.4

0.68

Mean duration between the appearance of symptoms and surgery (days)**

64.1 ± 72.4

50.9 ± 48.7

0.60

  1. DLM discoid lateral meniscus, MRI magnetic resonance imaging; inverted sign: a duplicated or enlarged posterior horn and blunting of the inner rim in the sagittal plane detected by MRI
  2. *The data and P-values were determined using the χ2 test
  3. **The results are presented as the mean ± standard deviation, and P-values were determined with Student’s t-test
  4. ***Significant difference
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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