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COVID-19 In Vitro Diagnostic Devices and Test Methods Database

Scientific literature on COVID-19 Test Methods and Devices - detail

ddPCR: a more accurate tool for SARS-CoV-2 detection in low viral load specimens

Detection Principle
NucleicAcid-PCR based
Target
ORF1ab, N
Testing Method Category
 
Testing Method
ddPCR vs RT-PCR
Testing Method - Additional Info
Chinese CDC
Reported Performance
Sensitivity: 40% (RT-PCR), 94% (ddPCR); Specificity: 100% (RT-PCR, ddPCR); PPV: 100% (RT-PCR, ddPCR); NPV: 16% (RT-PCR), 63% (ddPCR); accuracy: 47% (RT-PCR), 95% (ddPCR)
Sample Size
77 patients
Peer-reviewed
yes

The database contains available information from scientific literature that is being updated periodically. Please note that the provided information (as retrieved from analysed papers) is provided only for devices commercially available with CE-IVD mark. Acknowledgements