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. 2006 Jun 20;1:18. doi: 10.1186/1745-6150-1-18

Table 1.

Table of the mean coefficients of standard deviation characteristic function. The table shows the average values for parallel hybridization, parallel biological cultures and pooled reference sample. The coefficients a and b are the coefficients of the standard deviation function; CV stands for the coefficient of variation.

Comparison a b
GM10469 Hybridization 1 vs hybridization 2

 Hybridization 1 vs. 2: C1a vs C1b 2.97 0.048
 Hybridization 1 vs. 2: C2a vs C2b 3.24 0.040
 Hybridization 1 vs. 2: C3a vs C3b 4.27 0.034
 Hybridization 1 vs. 2: C4a vs C4b 3.71 0.037
 Hybridization 1 vs. 2: C5a vs C5b 3.54 0.074
Average (n = 5 pairs) 3.54 0.047
Coefficient of variation 0.14 0.35
Combined Series (C1a – C4a) vs (C1b-C4b) 3.51 0.043

Biological replicates

Series Ca, all pairwise hyb 1; C1a-C5a
Average (n = 10) 3.86 0.130
Coefficient of variation 0.08 0.27
Series Ca, mean based on individual genes (n = 5) 3.39 0.120
Series Cb, all pairwise hyb 2; C1b-C5b
Average (n = 10) 3.08 0.136
Coefficient of variation 0.05 0.31
Series Cb, mean based on individual genes (n = 5) 3.00 0.116

Hybridization variation

 Pooled reference RNA (PR1a vs PR1b) 2.12 0.045
 Pooled reference RNA (PR2a vs PR2b) 3.52 0.082
 Pooled reference RNA (PR3a vs PR3b) 4.86 -0.003
 Pooled reference RNA, hybridization 1 vs 2
Average (n = 3 pairs) 3.50 0.042
Coefficient of variation 0.39 0.61

Transcription and hybridization variation

 Series 1
 PR1a vs PR2a 2.90 0.128
 PR1a vs PR3a 3.30 0.130
 PR2a vs PR3a 4.45 0.103
Average (n = 3 pairs) 3.55 0.120
Coefficient of variation 0.23 0.13

Series 2

 PR1b vs PR2b 3.20 0.184
 PR1b vs PR3b 3.33 0.118
 PR2b vs PR3b 4.68 0.153
Average (n = 3 pairs) 3.73 0.152
Coefficient of variation 0.22 0.22