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Table 3 Statistical prediction of some clinical and CT features for the diagnosis of COVID-19, % (n/n)

From: Differential diagnosis of coronavirus disease 2019 from community-acquired-pneumonia by computed tomography scan and follow-up

Clinical and CT features

Accuracy

Sensitivity

Specificity

Positive predictive value

Negative predictive value

20–60 years

68.9% (195/283)

59.4% (98/165)

82.2% (97/118)

82.4% (98/119)

59.1% (97/164)

WBC < 9.5 × 109/L

68.2% (193/283)

91.5% (151/165)

69.5% (82/118)

80.7% (151/187)

85.4% (82/96)

GGO

62.5% (177/283)

63.6% (105/165)

61.0% (72/118)

69.5% (105/151)

54.5% (72/132)

Comprehensive

81.6% (231/283)

92.7% (153/165)

66.1% (78/118)

79.3% (153/193)

86.7% (78/90)

  1. WBC White blood cell, GGO Ground glass opacity