Ferritin

D-Dimer

cutoff point ng/mL

Sensitivity (95% CI)

Specificity (95% CI)

Cutoff point (mg/L FEU)

Sensitivity (95% CI)

Specificity (95% CI)

Positive CT findings

>336

78.21%

(73.9 - 82.1)

86.42%

(77.0 - 93.0)

>0.55

74.82%

(70.3 - 78.9)

75.31%

(64.5 - 84.2)

Mortality

>864.6

80.26%

(69.5 - 88.5)

64.83%

(60.0 - 69.4)

>1.46

65.79%

(54.0 - 76.3)

78.23%

(74.0 - 82.1)