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Table 2 An overview of regression models and key performance measures

From: Evaluation of absolute quantitation by nonlinear regression in probe-based real-time PCR

Regression Model

Results

 

Backgr. Corr.

Log10 transform

Weight

Baseline drift corr.

Bad fits

Mean R2

Intra-assay variation

Numerical Bias

1

No

No

No

No

No

0.9987

58 %

89 %

2

No

No

No

Yes

No

0.9988

83 %

102 %

3

No

No

Yes

No

0.9982

80 %

121 %

4

No

Yes

No

No

No

0.9987

59 %

85 %

5

No

Yes

No

Yes

No

0.9991

94 %

97 %

6

No

Yes

Yes

Yes

0.9986

104 %

130 %

7

No

Yes

Yes

No

0.9985

101 %

115 %

8

Yes

No

No

No

0.9978

94 %

166 %

9

Yes

Yes

No

Yes

0.9768

29963 %

340 %

10

Yes

No

No

No

No

0.9922

83 %

102 %

11

Yes

Yes

No

No

Yes

0.9607

36336 %

526 %

CT

Yes

     

24 %

 
  1. An overview of the 11 regression models evaluated. In the left part of the table, the modifications of each model are stated. In the right part of the table, key features of the analysis are shown. Arrows in the weight column indicate early plateau phase (←) and late plateau phase (→).