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Table 3 The correlation coefficients and limit of detection for each gene

From: Establishment and evaluation of a quadruple quantitative real-time PCR assay for simultaneous detection of human coronavirus subtypes

Targets Gene Correlation coefficients Limit of detection (copies/μl)
SARS-CoV-2 S 0.998 3.2 × 101
SARS-CoV-2 N 0.999 4.8 × 101
SARS-CoV N 0.998 4.8 × 101
HCoV-229E ORF1ab 0.999 3.8 × 101
HCoV-NL63 ORF1ab 0.997 6.5 × 101
HCoV-HKU1 ORF1ab 0.998 4.2 × 101
HCoV-OC43 ORF1ab 0.999 3.7 × 101
human RNA B2M 0.997 2.5 × 101
  1. SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; SARS-CoV, severe acute respiratory syndrome coronavirus; HCoV, human coronavirus