Table 2

Effects of the number and selection of IRCs on the increase in error and the fold difference between calibrated NRQs


Increase in error

Fold difference between calibrated normalized quantities





Mean [95% CI]
Max
Mean [95% CI]
Max

1 IRC




     run1-run2
1.684 [1.579,1.797]
10.98
1.048 [1.034,1.061]
1.143
     run1-run3
1.68 [1.576,1.79]
10.98
1.053 [1.038,1.067]
1.135
2 IRCs




     run1-run2
1.374 [1.289,1.466]
7.73
1.024 [1.017,1.03]
1.069
     run1-run3
1.489 [1.415,1.567]
7.73
1.026 [1.019,1.033]
1.065
3 IRCs




     run1-run2
1.399 [1.292,1.513]
5.28


     run1-run3
1.394 [1.288,1.508]
5.28



Hellemans et al. Genome Biology 2007 8:R19   doi:10.1186/gb-2007-8-2-r19

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