Diagnostic procedure

Sensitivity (95% CI)

Specificity (95% CI)

Lymphopenia

(Based on CT diagnosis as reference standard)

20.90% (11.92% - 32.57%)

85.71% (69.74% - 95.19%)

CT diagnosis

(Based on PCR confirmation as a reference standard)

68.75% (53.75% - 81.34%)

66.67% (9.43% - 99.16%)