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The Egyptian Journal of Bronchology

Table 3 Accuracy of elevated TLC, d-dimer, and CRP in predicting COVID-19 pneumonia severity

From: Predictors of severity and mortality in COVID-19 patients

Predictor

Cutoff

AUC

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

P value

TLC (× 103/μl)

12.9

75

61

78

37

90

< 0.001

d-dimer (μg/ml)

1141

76

70

70

34

91

< 0.001

CRP (mg/l)

97.65

70

67

65

30

90

< 0.001

  1. TLC Total leukocytic count, CRP C-reactive protein, PPV Positive predictive value, NPV Negative predictive value, AUC Area under the curve
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