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Table 2 Sensitivity and specificity compared to computer tomography

From: Accuracy of linear-probe ultrasonography in diagnosis of infraorbital rim fractures

Variable

Plain film (95%CI)

Ultrasound(95%CI)

Sensitivity

78(49.2–95.3)

92.9(66.2–99.8)

Specificity

80(56.3–94.3)

90(68.3–98.8)

Positive predictive value

73.3(44.9–92.3)

86.7(59.5–98.3)

Negative predictive value

84.2(60.4–96.6)

94.7(74–99.9)

Accuracy

79

91