Skip to main content
. 2018 Apr 23;15:74. doi: 10.1186/s12985-018-0988-5

Table 2.

The test of repeatability based on SYBR Green PCR system

a. The serially diluted B19V standards of 1 × 101–106 copies per ul to measure the intra and inter repeatability
Plasmid copies(cp/μl) B19. Ct (‾x ± s) B19. CV (%)
Inter Repeatability 1 × 106 15.91 ± 0.07 0.46
1 × 105 19.60 ± 0.08 0.41
1 × 104 23.71 ± 0.05 0.21
1 × 103 28.12 ± 0.25 0.91
1 × 102 31.37 ± 0.20 0.64
1 × 101 35.45 ± 0.63 1.80
Intra Repeatability 1 × 106 15.46 ± 0.66 4.80
1 × 105 19.86 ± 0.53 3.38
1 × 104 23.86 ± 0.23 1.04
1 × 103 27.99 ± 0.25 0.66
1 × 102 31.42 ± 0.17 0.41
1 × 101 35.21 ± 0.86 2.85
b. The serially diluted CMV standards of 1 × 101–106 copies per ul to measure the intra and inter repeatability
Plasmid copies(cp/μl) CMV. Ct (‾x ± s) CMV. CV (%)
Inter Repeatability 1 × 106 15.52 ± 0.16 1.03
1 × 105 20.27 ± 0.5 2.50
1 × 104 24.02 ± 0.69 2.87
1 × 103 27.83 ± 0.15 0.52
1 × 102 31.65 ± 0.61 1.94
1 × 101 35.24 ± 0.23 0.64
Intra Repeatability 1 × 106 15.80 ± 0.43 2.93
1 × 105 20.72 ± 0.71 3.10
1 × 104 24.43 ± 0.75 2.47
1 × 103 28.26 ± 0.60 2.18
1 × 102 32.36 ± 1.08 3.21
1 × 101 35.88 ± 0.79 2.23
c. The serially diluted HSV standards of 1 × 101–106 copies per ul to measure the intra and inter repeatability
Plasmid copies(cp/μl) HSV. Ct (‾x ± s) HSV. CV (%)
Inter Repeatability 1 × 106 16.03 ± 0.16 1.01
1 × 105 19.67 ± 0.11 0.56
1 × 104 23.25 ± 0.03 0.11
1 × 103 26.73 ± 0.18 0.66
1 × 102 30.69 ± 0.52 1.70
1 × 101 34.52 ± 1.06 3.07
Intra Repeatability 1 × 106 16.73 ± 0.68 4.32
1 × 105 20.31 ± 0.63 3.20
1 × 104 24.02 ± 0.74 3.26
1 × 103 27.51 ± 0.75 2.90
1 × 102 31.48 ± 0.85 2.54
1 × 101 35.84 ± 1.22 3.17

Ct Cycle threshold, CV Coefficient of Variation