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Table 1 Characteristics of COVID-19 positive patients and assessment of diagnostic accuracy of SARS-CoV-2 rapid diagnostic kits

From: Evaluation of SARS-CoV-2 antigen-based rapid diagnostic kits in Pakistan: formulation of COVID-19 national testing strategy

Samples

Age (Av)

RT-PCR

Ct (Av)

NSP-RDT

Saliva-RDT

Fever

Cough

Male (n = 62)

47.48 (19–91)

Positive

28.9

Reactive (n = 33)

Reactive (n = 13)

Positive

Positive

    

N-reactive (n = 29)

N-reactive (n = 49)

  

Female (n = 34)

46.47 (20–78)

Positive

28.2

Reactive (n = 20)

Reactive (n = 8)

Positive

Positive

    

N-reactive (n = 14)

N-reactive (n = 26)

  

Children (n = 4)

12.25 (6–17)

Positive

32.2

Reactive (n = 1)

Reactive (n = 0)

Positive

Positive

    

N-reactive (n = 3)

N-reactive (n = 4)

  

Total (n = 100)

47

Positive

28.5

Sensitivity (52%)

Specificity (100%)

Sensitivity (21%)

Specificity (100%)

Positive

Positive