Table 2 Comparison of the sensitivity and time to detection for MCDA and LAMP targeting ORF1ab from 3 independent runs.

From: Development and comparison of novel multiple cross displacement amplification (MCDA) assays with other nucleic acid amplification methods for SARS-CoV-2 detection

DNA copies per reaction

MCDA average detection time (min)

MCDA reps$

LAMP average detection time (min)

LAMP reps$

10

55.3

1/9

17.1 ± 6.3

3/9

25

46.4 ± 15

3/9

11.8 ± 0.5

5/9

50

20.2 ± 9

8/9

12.2 ± 2.1*

9/9*

100

13.6 ± 3.9

6/9

10.4 ± 0.8

8/9

500

12.6 ± 1.3*

9/9*

9.7 ± 0.2

9/9

1000

11.2 ± 0.3

9/9

9.5 ± 0.1

9/9

10,000

9.7 ± 0.3

9/9

8.4 ± 0.1

9/9

  1. *Limit of detection.
  2. $reps: 3 runs with 3 technical replicates = 9 replicates.