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The Ultrasound Journal

Table 1 Test Performance Characteristics

From: The effect of point-of- care ultrasonography on emergency department length of stay and CT utilization in children with suspected appendicitis

Imaging Modality

N

Sensitivity % (95% CI)

Specificity % (95% CI)

LR+(95% CI)

LR-(95% CI)

PoCUS

150

60 (46.2-72.4)

94 (88-97.3)

10.4 (4.63-23.35)

0.42 (0.30-0.59)

RUS

117

62.5 (47.7-75.3)

99.3 (94-99.9)

93.8. (5.9-1499)

0.38 (0.26-0.55)

CT

41

83.3 (58.4-94.7)

98.1 (84.5-99.8)

45 (2.86 – 707.68)

0.17 (0.05-0.53)

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