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Table 2 Diagnostic value of ultrasound in the diagnosis of medial meniscus injury

From: Role of point-of-care ultrasonography (POCUS) in the diagnosing of acute medial meniscus injury of knee joint

MRI findings

Ultrasonography findings

Positive (n = 29)

Negative (n = 26)

Positive (n = 20)

17

3

Negative (n = 35)

12

23

Parameters of ROC analysis

Ultrasonography

AUC [95% CI]

0.726 [0.573 to 0.879]

P value

0.003

Sensitivity, % [95% CI]

85.0 [54.0 to 98.9]

Specificity, % [95% CI]

65.7 [42.2 to 85.7]

PPV, % [95% CI]

58.6 [33.8 to 81.5]

NPV, % [95% CI]

88.5 [62.1 to 99.3]

-LR, % [95% CI]

0.27 [0.07 to 1.0]

 + LR, % [95% CI]

2.19 [1.2 to 4.0]

  1. AUC Area under curve, PPV Positive predictive value, NPV Negative predictive value, −LP Negative Likelihood ratios, + LR Positive Likelihood ratios, CI confidence interval