Dry Swab-Based Nucleic Acid Extraction vs. Spin Column-Based Nucleic Acid Extraction for COVID-19 RT-PCR Testing: A Comparative Study

Table 3

Comparison of sensitivity for the detection of the RdRp gene between the two extraction methods (N = 56).

Results	Spin column extraction	Dry swab extraction
Positive	27	22
Negative	29	34
Total	56	56