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Table 4 intra-run and inter-run variations of three methods for three different runs

From: Quantify single nucleotide polymorphism (SNP) ratio in pooled DNA based on normalized fluorescence real-time PCR

allele ratio

Kf method

Baseline subtracted fluorescence ratio method

SDM method (2-ΔCt method)

 

Run 1

Run 2

Run 3

Combined

Run 1

Run 2

Run 3

Combined

Run 1

Run 2

Run 3

Combined

 

intra C.V.

intra C.V.

intra C.V.

inter C.V.

intra C.V.

intra C.V.

intra C.V.

inter C.V.

intra C.V.

intra C.V.

intra C.V.

inter C.V.

90%:10%

4.38%

4.90%

11.80%

7.69%

9.39%

4.91%

11.95%

30.98%

13.81%

37.98%

47.29%

69.23%

80%:20%

9.18%

16.15%

5.45%

12.54%

5.30%

9.11%

6.45%

21.53%

26.72%

20.39%

3.30%

23.96%

70%:30%

5.40%

6.66%

17.22%

13.64%

18.48%

26.65%

31.87%

26.26%

11.90%

10.05%

9.32%

10.36%

60%:40%

2.99%

4.44%

6.11%

10.91%

4.41%

10.11%

12.22%

11.55%

3.52%

7.41%

24.43%

15.06%

50%:50%

6.06%

24.75%

7.30%

23.71%

10.59%

45.08%

15.59%

41.63%

22.12%

31.72%

10.38%

27.37%

40%:60%

28.91%

27.05%

7.77%

20.61%

33.55%

34.65%

13.09%

34.48%

38.09%

13.30%

8.56%

24.53%

30%:70%

4.70%

15.97%

1.91%

20.19%

7.38%

22.71%

4.89%

41.05%

7.61%

11.17%

25.12%

26.06%

20%:80%

29.02%

18.71%

3.67%

17.82%

36.42%

10.93%

6.57%

30.18%

13.72%

13.23%

42.29%

28.82%

10%:90%

61.69%

22.86%

10.24%

44.25%

81.13%

21.84%

5.98%

44.52%

98.39%

21.62%

113.30%

103.45%

  1. Further detailed Kf values were provided as supplementary material 2, 3 for run1 [see Additional file 2, 3], supplementary material 4, 5 for run 2 [see Additional file 4, 5], supplementary material 6,7 for run 3 [see Additional file 6, 7].