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Table 3 Performance results of the three radiologists for differentiation between COVID-19- and non-COVID-19-associated GGO

From: Diagnostic performance of chest CT in differentiating COVID-19 from other causes of ground-glass opacities

 

TP

TN

FP

FN

Sensitivity (95% CI)

Specificity

(95% CI)

PPV

(95% CI)

NPV

(95% CI)

Accuracy (95% CI)

Radiologist 1

69

56

44

11

86.25% (77–93%)

56% (46–66%)

61.1% (55–66%)

83.6% (74–90%)

69.4% (62%–76%)

Radiologist 2

72

67

33

8

90% (81–95%)

67% (57–76%)

68.6% (62–74%)

89.3% (81–94%)

77.2% (70–83%)

Radiologist 3

61

45

55

19

76.25% (65–85%)

45% (35–55%)

52.6% (47–58%)

70.3% (60–79%)

59% (51–66%)