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

Table 2

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

Results	Spin column extraction	Dry swab extraction
Positive	27	25
Negative	29	31
Total	56	56