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Table 7 Comparison of the positive rate of SARS-CoV-2 nucleic results from different specimen types from same patient at same time

From: Analysis and validation of a highly sensitive one-step nested quantitative real-time polymerase chain reaction assay for specific detection of severe acute respiratory syndrome coronavirus 2

  qRT-PCR OSN-qRT-PCR ddPCR
Throat swab
(n = 10)
50%
(5/10)
70%
(7/10)
50%
(5/10)
Sputum
(n = 10)
70%
(7/10)
80%
(8/10)
70%
(7/10)