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Table 5 Association between self-reported days of symptoms and RT-qPCR SARS-CoV-2 positive patients and colorimetric RT-LAMP performance

From: Essential properties and pitfalls of colorimetric Reverse Transcription Loop-mediated Isothermal Amplification as a point-of-care test for SARS-CoV-2 diagnosis

Assay type Group Samples Days of symptoms
RT-qPCR Ct < 30 117 5.53 ± 0.36*
Between 30 and 35 39 7.28 ± 0.58
Colorimetric RT-LAMP Positive 115 5.36 ± 0.35**
Intermediate/negative 41 7.63 ± 0.59
  1. RT-qPCR was divided into Ct < 30 and between 30 and 35
  2. *p < 0.05; **p < 0.01